Consider a graph of the function y = x² in xy-plane. The minimum distance between point (0, 4) on the y-axis and points on the graph is [1-2] You should rationalize the denominator in the answer. PLEASE HELP ME

Answers

Answer 1

The minimum distance between the point (0, 4) on the y-axis and points on the graph is 4.

To find the minimum distance between the point (0, 4) on the y-axis and points on the graph of the function y = x², we can use the concept of perpendicular distance.

The distance between a point (x, y) on the graph and the point (0, 4) is given by the formula:

distance = √((x - 0)² + (y - 4)²) = √(x² + (y - 4)²)

Substituting the function y = x² into the distance formula, we get:

distance = √(x² + (x² - 4)²) = √(x² + (x⁴ - 8x² + 16))

Simplifying further, we have:

distance = √(x⁴ + x² - 8x² + 16) = √(x⁴ - 7x² + 16)

To find the minimum distance, we need to minimize the expression x⁴ - 7x² + 16. Since this is a quadratic-like expression, we can use calculus to find the minimum.

Taking the derivative of x⁴ - 7x² + 16 with respect to x, we get:

d/dx (x⁴ - 7x² + 16) = 4x³ - 14x

Setting the derivative equal to zero to find critical points:

4x³ - 14x = 0

Factorizing, we have:

2x(2x² - 7) = 0

This gives us two critical points: x = 0 and x = ±√(7/2).

Next, we evaluate the expression x⁴ - 7x² + 16 at these critical points and the endpoints of the interval:

f(0) = 0⁴ - 7(0)² + 16 = 16

f(±√(7/2)) = (√(7/2))⁴ - 7(√(7/2))² + 16 ≈ 4.157

Comparing these values, we find that the minimum distance occurs at x = 0, giving us a minimum distance of √(0⁴ - 7(0)² + 16) = √16 = 4.

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Related Questions

which of the following are solutions to the quadratic equation check all that apply x ^ 2 + 10x + 25 = 2

Answers

Answer:

to solve the equation you first need to bring it to factors and by doing that you first need to let the equation equal 0 hence you need to minus 2 on both sides of the equation therefore

x^2 + 10x + 25 - 2 =2 - 2

therefore

x^2 + 10x +23 = 0

now since the equation cannot be factored, we use the formula.

x= [tex]\frac{-b +- \sqrt{b^{2}-4ac } }{2a}[/tex]

where

a=1

b=10

c=23

note we use the coefficients only.

therefore x = [tex]\frac{-10 -+ \sqrt{10^{2}-4(1)(23) } }{2(1)}[/tex]

=[tex]\frac{-10-+\sqrt{100-92} }{2}[/tex]

=[tex]\frac{-10-+\sqrt{8} }{2}[/tex]

then we form two equations according to negative and positive symbols

x=[tex]\frac{-10+\sqrt{8} }{2} or x =\frac{-10-\sqrt{8} }{2}[/tex]

therefore x = [tex]-5+\sqrt{2}[/tex]   or x=[tex]-5-\sqrt{2}[/tex]

Sydney is trying to pick out an outfit for the first day of school. She can choose from 3 pairs of pants, 7 t-shirts, 8 sweaters or hoodies, and 4 pairs of shoes. How many different outfits does Sydney have to choose from?

Answers

Answer:

We have to multiply everything to find the amount of different possible outcomes so 3*7*8*4 = 672 unique outfits

Step-by-step explanation:

Hope this helps!

Which expression is equivalent to (f + g) (4)?
• ¡(4) + g(4)
• f(x) + g(4)
• ¡(4 + g(4))
• 4(f(x) + g(x))

Answers

The correct expression that is equivalent to (f + g) (4) is: f(4) + g(4).

The expression (f + g) (4) represents the sum of two functions, f(x) and g(x), evaluated at x = 4. To find the equivalent expression, we need to simplify it.

In (f + g) (4), the parentheses indicate that the addition operation is performed first, adding the functions f(x) and g(x) together. Then, the resulting sum is evaluated at x = 4. So, the expression simplifies to f(4) + g(4), where we substitute x with 4 in both functions.

The other options provided:

• ¡(4) + g(4): This option is not correct because the negation operator (!) applied to a value does not make sense in this context.

• f(x) + g(4): This option is not correct because it does not evaluate the sum of the functions at x = 4; it keeps the variable x in the expression.

• ¡(4 + g(4)): This option is not correct because it applies the negation operator to the sum of 4 and g(4), which is not equivalent to (f + g) (4).

• 4(f(x) + g(x)): This option is not correct because it introduces a constant factor of 4 to the sum of the functions, which is not equivalent to (f + g) (4).

The correct expression equivalent to (f + g) (4) is f(4) + g(4).

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This option is not equivalent to (f + g)(4).

The expression (f + g)(4) specifically represents the sum of functions f and g evaluated at x = 4.

To determine which expression is equivalent to (f + g)(4), let's break it down step by step.

The expression (f + g)(4) represents the value obtained by evaluating the sum of functions f and g at x = 4.

We substitute x = 4 into both functions and then add the results.

Let's evaluate each option to see which one matches this process:

¡(4) + g(4):

This option involves evaluating the function f at x = 4 and adding it to the value obtained by evaluating function g at x = 4.

It does not represent the sum of the functions f and g evaluated at x = 4.

This option is not equivalent to (f + g)(4).

f(x) + g(4):

This option involves adding the value of function f at an arbitrary point x to the value obtained by evaluating function g at x = 4.

It does not specifically represent the sum of functions f and g evaluated at x = 4.

This option is not equivalent to (f + g)(4).

¡(4 + g(4)):

This option involves evaluating the function g at x = 4 and adding it to the value obtained by adding 4 to the result.

It does not represent the sum of functions f and g evaluated at x = 4.

This option is not equivalent to (f + g)(4).

4(f(x) + g(x)):

This option involves evaluating the functions f and g at an arbitrary point x, summing the results and then multiplying the sum by 4.

It does not specifically represent the sum of functions f and g evaluated at x = 4.

None of the given options is equivalent to (f + g)(4).

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See Picture:
Given :
Prove :​

Answers

Answer:

statmen there for this should me solved and abcd are proof

reason bcz this is not equal square

6. Juan y Roberto son dos hermanos que juegan Piedra, Papel y Tijera para determinar quien hace el aseo de su cuarto. ¿Cuántos serán los posibles resultados que podemos tener?, ¿Cuál es la probabilidad de que Juan no haga el aseo? *​

Answers

Given, Juan y Roberto is two brothers who play Rock, Paper, and Scissors to determine who does the cleaning in their room. The total number of possible outcomes is 3. The possible outcomes are rock, paper, and scissors. So, the probability of Juan not doing the cleaning is 1/2 or 50 percent.

The probability that Juan will not do the cleaning is 1/2 or 50 percent. The possible outcomes for playing the game Rock, paper, and Scissors are given as follows. Rock can break scissors, Paper can cover rock, and Scissors can cut paper. Therefore, there are three possible outcomes in this game. The possible outcomes are rock, paper, and scissors.

The probability that Juan will not do the cleaning is 1/2 or 50 percent since there are two possible outcomes where Juan does not do the cleaning. The two possible outcomes are paper and scissors. Juan can pick the paper or scissors to win. Therefore, the probability of Juan not doing the cleaning is 1/2 or 50 percent.

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The shaded part of the circle represents the part of gas used to fill up the gas tank of a lawn mower what part of the container is needed to fill up the gas tank of the lawn mower 4 times is the answer 8/48 8/12 6/16 or 6/12

Answers

The fraction of the container needed to fill up the gas tank of the lawn mower four times is 6/12. Option D.

The shaded part of the circle represents the fraction of gas needed to fill up the gas tank of the lawn mower once. To determine the fraction needed to fill it up four times, we can simply multiply the fraction by 4.

Let's assume that the shaded part of the circle represents x part of the whole container. Therefore, the fraction needed to fill up the gas tank of the lawn mower once is x.

To fill up the gas tank four times, we need to multiply x by 4. Therefore, the fraction needed to fill up the gas tank four times is 4x.

Now, we can compare this to the answer choices given:

8/48: This can be simplified to 1/6, which is not equal to 4x.

8/12: This can be simplified to 2/3, which is not equal to 4x.

6/16: This can be simplified to 3/8, which is not equal to 4x.

6/12: This can be simplified to 1/2, which is equal to 4x.

Therefore, the correct answer is 6/12, which represents the fraction of the container needed to fill up the gas tank of the lawn mower four times. so Option D is correct.

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Note the complete question is

Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.

x < 5
–6x – 5 < 10 – x
–6x + 15 < 10 – 5x
A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right.
A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.

Answers

Answer:

Third option

Step-by-step explanation:

-3(2x - 5) < 5(2 - x)

-6x + 15 < 10 - 5x <-- Third option

15 < 10 + x

5 < x

x > 5

There only appears to be one option. The solution to the inequality is x>5, not x<5.

HELP PLEASE AND HURRYY

Answers

Answer:

Part A: Answer: D.

Part B:

true

false

true

Step-by-step explanation:

Part A:

Use a tree.

Round 1                 Round 2                   Round 3

W                               W                                W

W                               W                                L

W                               L                                 W

W                                L                                 L

L                                 W                               W

L                                 W                               L

L                                 L                                W

L                                 L                                L

All possibilities are:

WWW, WWL, WLW, WLL, LWW, LWL, LLW, LLL

Answer: d.

Part B:

Winning 3 games is WWW.

WWW, WWL, WLW, WLL, LWW, LWL, LLW, LLL

Out of the 8 possible outcomes shown above, only 1 of them is WWW.

p(WWW) = 1/8

Answer: true

Winning exactly 2 games happens when there are exactly 2 W's:

WWW, WWL, WLW, WLL, LWW, LWL, LLW, LLL

p(exactly 2 wins) = 3/8

Answer: false

Wining at least 2 games means winning exactly 2 or exactly 3 times.

WWW, WWL, WLW, WLL, LWW, LWL, LLW, LLL

p(winning at least 2 games) = 4/8 = 1/2

Answer: true

If sin(x+y)= 1/2(sin x) + square root of 3/2(cos x), what is the value of y

Answers

Answer:

y = π/3

Step-by-step explanation:

To find the value of y, we can use the trigonometric identity for the sum of angles:

sin(x + y) = sin x * cos y + cos x * sin y

Comparing this with the given equation:

sin(x + y) = 1/2(sin x) + √3/2(cos x)

We can equate the corresponding terms:

sin x * cos y = 1/2(sin x) ----(1)

cos x * sin y = √3/2(cos x) ----(2)

From equation (1), we can see that cos y = 1/2.

From equation (2), we can see that sin y = √3/2.

To determine the values of y, we can use the trigonometric values of cosine and sine in the first quadrant of the unit circle.

In the first quadrant, cos y is positive, so cos y = 1/2 corresponds to y = π/3 (60 degrees).

Similarly, sin y is positive, so sin y = √3/2 corresponds to y = π/3 (60 degrees).

Therefore, the value of y is y = π/3 (or 60 degrees).

The veterinarian has prescribed carprofen 2.2 mg/kg BID x30d. Weight of patient is 34kg. Concentration is 75mg tablet. What is the amount of medication needed for 30 days?

Answers

The amount of medication needed for 30 days is approximately 59.84 tablets of carprofen.

To calculate the amount of carprofen medication needed for 30 days, we need to consider the prescribed dosage, the weight of the patient, and the concentration of the tablets.

The prescribed dosage is 2.2 mg/kg BID x 30d. This means that the patient should take 2.2 milligrams of carprofen per kilogram of body weight, twice a day, for 30 days.

The weight of the patient is 34 kilograms. So, we need to calculate the total amount of carprofen needed for the entire treatment period.

First, we calculate the daily dosage by multiplying the weight of the patient (34 kg) by the prescribed dosage (2.2 mg/kg).

Daily dosage = 34 kg * 2.2 mg/kg = 74.8 mg/day.

Since the medication is prescribed twice a day, we multiply the daily dosage by 2 to get the total dosage per day.

Total dosage per day = 74.8 mg/day * 2 = 149.6 mg/day.

Finally, to find the total amount of medication needed for 30 days, we multiply the total dosage per day by the number of days.

Total medication needed = 149.6 mg/day * 30 days = 4488 mg.

Since the concentration of the tablets is 75 mg, we divide the total medication needed by the tablet concentration to find the number of tablets required.

Number of tablets needed = 4488 mg / 75 mg = 59.84.

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Evaluate the following expression when a = 5 and b = 1. Then, plot the resulting value on the provided number line. 12+2 (4 a²) ÷ 7 + 8

Answers

Answer:

To evaluate the expression when a = 5 and b = 1, we substitute the values into the expression:

12 + 2(4(5)²) ÷ 7 + 8

= 12 + 2(4 * 25) ÷ 7 + 8 (Note: 5² means 5 raised to the power of 2)

= 12 + 2(100) ÷ 7 + 8 (Note: 4 * 25 = 100)

= 12 + 200 ÷ 7 + 8

= 12 + 28.57 + 8 (Note: ÷ means divide)

= 48.57

To plot the resulting value on the provided number line , we would need to know the scale and range of the number line. Without this information, we cannot accurately plot the value.

Step-by-step explanation:

To evaluate the expression when `a=5` and `b=1`, we simply substitute these values into the expression and simplify using the order of operations (PEMDAS):
```
12 + 2(4a^2)÷7 + 8
= 12 + 2(4(5)^2)÷7 + 8 (substituting a=5)
= 12 + 2(4(25))÷7 + 8 (evaluating 5^2 = 25)
= 12 + 2(100)÷7 + 8
= 12 + 28.57 + 8 (evaluating 2(100)÷7 = 28.57)
= 48.57
```
So the value of the expression when `a=5` and `b=1` is `48.57`.

To plot this value on a number line, we first need to determine the appropriate scale for the number line. Since the value we obtained is between 40 and 50, we can use a scale of 1 unit per tick mark. We then draw a number line and label it with tick marks at appropriate intervals. Finally, we plot the value `48.57` on the number line:
```
|-------------------------------------------
40 50
x=48.57
```
Therefore, the value of the given expression when `a=5` and `b=1` is `48.57` and we have plotted it on the number line.

K
Find the horizontal asymptote, if any, of the graph of the rational function.
20x²
Sử Hồ
g(x)=
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. The horizontal asymptote is. (Type an equation.)
OB. There is no horizontal asymptote.

Answers

To find the horizontal asymptote of the rational function g(x) = 20x², we need to analyze the behavior of the function as x approaches positive or negative infinity.

In this case, since the degree of the numerator (20x²) is equal to the degree of the denominator (1), we can determine the horizontal asymptote by comparing the leading coefficients of the numerator and denominator.

The leading coefficient of the numerator is 20, and the leading coefficient of the denominator is 1. Therefore, the horizontal asymptote of the function is y = 0.

Thus, the correct choice is:
OA. The horizontal asymptote is y = 0.

For two invertible n by n matrices A, B,

where rank(A)=rank(B)=n,

is the following always true?

"rank(AB) = n"


If so,

I wonder how we can prove it.


If not,

I'd appreciate you if you show me a counterexample.


Thank you in advance.

Answers

The statement "rank(AB) = n" is not always true for invertible n by n matrices A and B with rank(A) = rank(B) = n.

Counterexample:

Consider the following counterexample:

[tex]A = \begin{bmatrix} 1 & 0 \ 0 & 1 \end{bmatrix}\\B = \begin{bmatrix} 1 & 0 \ 0 & 0 \end{bmatrix}[/tex]

Both matrices A and B are invertible, as they are both identity matrices. However, when we multiply them together, we get:

[tex]AB = \begin{bmatrix} 1 & 0 \ 0 & 0 \end{bmatrix}[/tex]

The rank of AB is 1, not n. In this case, n = 2, but rank(AB) = 1. Therefore, the statement "rank(AB) = n" is not always true for all invertible n by n matrices A and B with rank(A) = rank(B) = n.

In general, the rank of the product AB is less than or equal to the minimum of the ranks of A and B. So, in order for rank(AB) to be equal to n, both A and B need to have rank n individually, but that does not guarantee the rank of their product to be n as well.

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What is the meaning of "⊂-maximal element"?

Answers

A "⊂-maximal element" in set theory refers to an element in a set that cannot be strictly contained within any other element of the set, indicating a maximum extent or boundary within that set.

In the context of set theory and Tarski's notion of finiteness, a "⊂-maximal element" refers to an element within a set that cannot be strictly contained within any other element of the set. Let's break down the meaning of this term.

Consider a set S and a partial order relation ⊆ (subset relation) defined on the power set P(S) of S. A "⊂-maximal element" u of a set A ⊆ S is an element that is not strictly contained within any other element of A with respect to the subset relation. In other words, there is no element v in A such that u is a proper subset of v.

Formally, for any u ∈ A, if there is no v ∈ A such that u ⊂ v, then u is a ⊂-maximal element of A. This means that u is as large as possible within A and cannot be extended by including additional elements.

In the context of T-finite sets, the existence of a ⊂-maximal element in every nonempty subset of the set guarantees that the set has a well-defined structure and does not continue indefinitely without boundaries.

It ensures that there is a definitive maximum element within each subset, which is a key characteristic of finiteness.

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Calc II Question

Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the y axis.
Y = e^(-x^2)
Y = 0
X = 0
X = 1

Correct answer is pi (1 - (1/e))
I'm just not sure how to get to that answer

Answers

Answer:

[tex]\displaystyle \pi\biggr(1-\frac{1}{e}\biggr)[/tex]

Step-by-step explanation:

Shell Method (Vertical Axis)

[tex]\displaystyle V=2\pi\int^b_ar(x)h(x)\,dx[/tex]

Radius: [tex]r(x)=x[/tex]

Height: [tex]h(x)=e^{-x^2}[/tex]

Bounds: [tex][a,b]=[0,1][/tex]

Set up and evaluate integral

[tex]\displaystyle V=2\pi\int^1_0xe^{-x^2}\,dx[/tex]

Let [tex]u=-x^2[/tex] and [tex]du=-2x\,dx[/tex] so that [tex]-\frac{1}{2}\,du=x\,dx[/tex]Bounds become [tex]u=-0^2=0[/tex] and [tex]u=-1^2=-1[/tex]

[tex]\displaystyle V= -\frac{1}{2}\cdot2\pi\int^{-1}_0e^u\,du\\\\V= -\pi\int^{-1}_0e^u\,du\\\\V=\pi\int^0_{-1}e^u\,du\\\\V=\pi e^u\biggr|^0_{-1}\\\\V=\pi e^0-\pi e^{-1}\\\\V=\pi-\frac{\pi}{e}\\\\V=\pi\biggr(1-\frac{1}{e}\biggr)[/tex]

Urvi solved a fraction division problem using the rule “multiply by the reciprocal.” Her work is shown below.

StartFraction 14 divided by StartFraction 2 Over 7 EndFraction. StartFraction 1 Over 14 EndFraction times StartFraction 2 Over 7 EndFraction = StartFraction 2 Over 98 EndFraction or StartFraction 1 Over 49 EndFraction

Which is the most accurate description of Urvi’s work?

Answers

"1/49," accurately represents the result of Urvi's work.The correct answer is option D.

Urvi's work is accurate and follows the correct rule of "multiply by the reciprocal" to solve the fraction division problem.

In the given problem, she is dividing 14 by the fraction 2/7. According to the rule, to divide a fraction by another fraction, we multiply the first fraction by the reciprocal of the second fraction.

In Urvi's work, she first takes the reciprocal of 2/7, which is 7/2. Then, she multiplies 14 by the reciprocal, which gives us (14 * 7/2).

Simplifying the multiplication, we get 98/2, which simplifies further to 49. Therefore, the correct answer to the fraction division problem is 1/49.

Option D, which states "1/49," accurately represents the result of Urvi's work. This option is the most accurate description of her work because it correctly shows the final simplified fraction after applying the "multiply by the reciprocal" rule.

Overall, Urvi's work demonstrates a correct understanding and application of the rule for solving fraction division problems.

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The Probable question may be:
Urvi solved a fraction division problem using the rule “multiply by the reciprocal.” Her work is shown below.

A StartFraction 14 divided by StartFraction 2 Over 7 EndFraction.

B. StartFraction 1 Over 14 EndFraction times

C. StartFraction 2 Over 7 EndFraction = StartFraction 2 Over 98

D. EndFraction or StartFraction 1 Over 49 EndFraction

Which is the most accurate description of Urvi’s work?

(24)³-(13)³-(11)³ Without actually calculating the cubes, evaluate.​

Answers

By applying the algebraic identity, the expression (24)³ - (13)³ - (11)³ can be simplified as (11)(1057) - (11)³ = 10396, without actually calculating the cubes.

How to Evaluate the expression without Calculating the Cubes?

The expression (24)³ - (13)³ - (11)³ can be evaluated without calculating the cubes by applying the concept of algebraic identities.

By using the identity (a³ - b³) = (a - b)(a² + ab + b²), we can rewrite the expression as (24 - 13)(24² + 24*13 + 13²) - (11)³.

Simplifying further, we have (11)(576 + 312 + 169) - (11)³.

Combining like terms, the expression evaluates to (11)(1057) - (11)³.

Finally, we can simplify to obtain the result of 11 multiplied by 1057 minus 11 cubed, without actually calculating the cubes. The simplified expression (24)³ - (13)³ - (11)³ evaluates to 10396.

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how to distribute x(3-x)

Answers

Answer:

3x - x²

Step-by-step explanation:

x(3 - x)

each term in the parenthesis is multiplied by the x outside. This is called the Distributive law

= (x × 3) + (x× - x)

= 3x + (- x²)

= 3x - x²

The answer is:

3x - x²

Work/explanation:

To simplify this expression, we will use the distributive property:

[tex]\sf{x(3-x)}[/tex]

Distribute the x:

[tex]\sf{x\cdot3-x\cdot x}[/tex]

[tex]\sf{3x-x^2}[/tex]

Therefore, the answer is 3x - x².

HELP I NEED ANSWER

Write an exponential decay function where the y-intercept is 4 and the y-values decrease by a factor of one-half as x increases by 1.

Answers

The exponential decay function that satisfies the given conditions is:

[tex]f(x) = 4 * (1/2)^x[/tex].

In this equation, the y-intercept is 4, which means that when x = 0, the function value is 4. As x increases by 1, the function decreases by a factor of one-half. This behavior is captured by raising 1/2 to the power of x in the equation.

The base of the exponent, 1/2, ensures that the function decreases exponentially. When x = 1, the exponent becomes 1, and[tex]1/2^1[/tex] equals 1/2. This means that the function value decreases to half of its previous value. Similarly, when x = 2, the exponent becomes 2, and[tex]1/2^2[/tex] equals 1/4. The function value decreases to one-fourth of its previous value, and so on.

By multiplying the exponential term by 4, we ensure that the y-intercept is 4. This scaling factor allows us to control the initial value of the function and match the given condition.

The exponential decay function[tex]f(x) = 4 * (1/2)^x[/tex] represents a decaying process where the y-values decrease exponentially as x increases, while starting at a y-intercept of 4.

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Find the measure of the indicated arc:
55°
110°
O 250°
220°
?
Q
110 °
R
S

Answers

Answer:

? = 220°

Step-by-step explanation:

the measure of the inscribed angle QRS is half the measure of its intercepted arc QS , then

QS = ? = 2 × QRS = 2 × 110° = 220°

Please answer ASAP I will brainlist

Answers

Answer:

(a)  $556 billion

(b)  $581 billion

(c)  $693 billion

Step-by-step explanation:

The given function is:

[tex]\boxed{A(x)=314e^{0.044x}}[/tex]

where A(x) is the assets (in billions of dollars) for a financial firm .

If x = 7 corresponds to the year 2007 then:

x = 13 corresponds to the year 2013.x = 14 corresponds to the year 2014.x = 18 corresponds to the year 2018.

Therefore, to find the assets for each of the given years, substitute the corresponding value of x into the function.

[tex]\begin{aligned}A(13)&=314e^{0.044 \cdot 13}\\&=314e^{0.572}\\&=314(1.77180712...)\\&=556.34743707...\\&=556\; \sf (nearest\;billion)\end{aligned}[/tex]

[tex]\begin{aligned}A(14)&=314e^{0.044 \cdot 14}\\&=314e^{0.616}\\&=314(1.851507181...)\\&=581.3732549...\\&=581\; \sf (nearest\;billion)\end{aligned}[/tex]

[tex]\begin{aligned}A(18)&=314e^{0.044 \cdot 18}\\&=314e^{0.792}\\&=314(2.20780762...\\&=693.2515954...\\&=693\; \sf (nearest\;billion)\end{aligned}[/tex]

are statistical questions?
Which subjects do the students What is the number of students
in my class like?
in my class?
How many servings of fruit did
I eat each day this month?
What is my height?
What is my favorite color?
What is the highest temperature
of each month this year?
Reset
Next
What is the height of each
student in my class?
What is my mother's favorite
fruit?
How many students from each
school in this city love football?

Answers

The statistical questions for this problem are given as follows:

Which subjects do the students like?How many servings of fruit did I eat each day this month?What is the highest temperature of each month this year?What is the height of each student in my class?How many students from each school in this city love football?

What is an statistical question?

A question is classified as statistical if it can receive answers of data that vary, that is, questions that do not have an exact answer.

When the answer is exact, it must be composed by a set of data, such as the number of students that like football in each school, the number will vary for each school.

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Indicate in standard form the equation of the line passing through the given points. S(, 1), T(, 4) x = 1/2 y = 1/2 -2x + y = 0

Answers

The equation of the line in standard form is 3x + y - 4 = 0.

To find the equation of a line passing through two points, we can use the slope-intercept form of a linear equation, which is given by y = mx + b, where m is the slope and b is the y-intercept.

Given the points S(, 1) and T(, 4), we need to determine the slope (m) and the y-intercept (b).

The slope (m) can be found using the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.

Substituting the values, we get:

m = (4 - 1) / ( - ) = 3 / ( - ) = -3

Now that we have the slope, we can substitute it into the equation y = mx + b and use one of the given points to solve for the y-intercept (b).

Using the point S(, 1):

1 = (-3)(1) + b

1 = -3 + b

b = 4

Therefore, the equation of the line passing through the points S and T is:

y = -3x + 4

Converting it to standard form Ax + By + C = 0, we rearrange the equation:

3x + y - 4 = 0

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The cost to produce a bag of golf tees is modeled by the function that is graphed below.

Production Costs for Bags of Golf Tees

A graph has number of tees on the x-axis, and cost in dollars on the y-axis. A line goes through (0, 4) and (2, 5).

Which table shows this same function?
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries negative 8, negative 4, 0, 4.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 0, 4, 0, 4.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 4, 5, 6, 7.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 4, 8, 12, 16.

Answers

The table that shows the same function as the given graph is: A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 4, 5, 6, 7.

To determine which table shows the same function as the given graph, we need to find the values of y corresponding to the given values of x on the graph.

Point A: (0, 4)

Point B: (2, 5)

Let's check each table:

A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries negative 8, negative 4, 0, 4.

In this table, the corresponding y-values for x = 0 and x = 2 are incorrect. The correct values should be 4 and 5, respectively. Therefore, this table does not represent the same function as the given graph.

A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 0, 4, 0, 4.

In this table, the corresponding y-values for x = 2 and x = 6 are incorrect. The correct values should be 5 and 7, respectively. Therefore, this table does not represent the same function as the given graph.

A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 4, 5, 6, 7.

In this table, the corresponding y-values for x = 0 and x = 2 match the given points on the graph. Therefore, this table represents the same function as the given graph.

A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 2, 4, 6. Column 2 is labeled y with entries 4, 8, 12, 16.

In this table, the corresponding y-values for x = 2 and x = 4 do not match the given points on the graph. Therefore, this table does not represent the same function as the given graph.

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5 hr, 30 min, 12 sec + 2 hr, 16 min, 25 'sec​

Answers

The sum of the two time durations is 7 hours, 46 minutes, and 37 seconds.

To add the given time durations, we start by adding the seconds:

12 sec + 25 sec = 37 sec.

Since 60 seconds make a minute, we carry over any excess seconds to the minutes place, which gives us a total of 37 seconds. Moving on to the minutes, we add 30 min + 16 min = 46 min.

Again, we carry over any excess minutes to the hours place, resulting in a total of 46 minutes.

Finally, we add the hours: 5 hr + 2 hr = 7 hr.

Thus, the sum of the two time durations is 7 hours, 46 minutes, and 37 seconds.

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Select all the correct answers.
Which four inequalities can be used to find the solution to this absolute value inequality?
3 ≤ x + 2 ≤ 6


x + 2 ≤ 6

x + 2 ≥ -6

x + 2-3

|x ≥ 1

|x + 2 ≤ -3

x + 22 -6

x + 2 ≥ 3

|x ≤ 4

Answers

The four correct inequalities that can be used to find the solution to the absolute value inequality 3 ≤ x + 2 ≤ 6 are:

1. x + 2 ≤ 6
2. x + 2 ≥ -6
3. x ≥ 1
4. |x ≤ 4

These four inequalities cover all possible cases and combinations to represent the solution to the given absolute value inequality.

Answer:

Step-by-step explanation:

x + 2-3

|x ≥ 1

|x + 2 ≤ -3

x + 22 -6

Estimate the variation (strength) of the correlation of the scatter plot shown.

a.
moderate correlation

b.
no correlation

c.
strong correlation

d.
weak correlation


need now mamayang 11pm na pasahan

Answers

The strength of the correlation as shown in the scatter plot can be concluded to be: b) no correlation.

How to Estimate the variation (strength) of the correlation of a scatter plot shown?

To estimate the strength of the correlation in a scatter plot, visually assess the clustering and linearity of the data points. If the points cluster tightly around a linear trend, it indicates a strong correlation, whereas dispersed and non-linear points suggest a weak correlation.

However, if the points on a scatter plot do not exhibit a discernible pattern (as shown in the image given above), it can be concluded that there is no correlation between the variables being plotted.

Therefore, the answer is: b. no correlation.

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Find the dy/dx of the implicit x - 2xy + x^2y + y = 10.

Answers

The derivative dy/dx of the implicit equation[tex]x - 2xy + x^2y + y = 10[/tex] is given by[tex]\frac{(2y - 2 + 2xy)}{(-2x + x^2 + 1)}[/tex]

To find the derivative dy/dx of the implicit equation [tex]x - 2xy + x^2y + y =[/tex]10, we will use the implicit differentiation technique.

Step 1: Differentiate both sides of the equation with respect to x.

For the left-hand side:

[tex]d/dx (x - 2xy + x^2y + y) = d/dx (10)[/tex]

Taking the derivative of each term separately:

[tex]d/dx (x) - d/dx (2xy) + d/dx (x^2y) + d/dx (y) = 0[/tex]

Step 2: Apply the chain rule to the terms involving y.

The chain rule states that if we have y = f(x), then dy/dx = dy/du * du/dx, where u = f(x).

For the term 2xy, we have y = f(x) = xy. Applying the chain rule, we get:

[tex]d/dx (2xy) = d/dx (2xy) * dy/dx[/tex]

= 2y + 2x * dy/dx

Similarly, for the term x^2y, we have [tex]y = f(x) = x^2y.[/tex]Applying the chain rule:

[tex]d/dx (x^2y) = d/dx (x^2y) * \frac{dx}{dy} \\= 2xy + x^2 * \frac{dx}{dy}[/tex]

Step 3: Substitute the derivatives back into the equation.

[tex]d/dx (x) - (2y + 2x * dy/dx) + (2xy + x^2 * dy/dx) + d/dx (y) = 0[/tex]

Simplifying the equation:

[tex]1 - 2y - 2x * \frac{dx}{dy} + 2xy + x^2 * \frac{dx}{dy} + \frac{dx}{dy} = 0[/tex]

Step 4: Group the terms involving dy/dx together and solve for dy/dx.

Combining the terms involving dy/dx:

[tex]-2x * \frac{dx}{dy} + x^2 * \frac{dx}{dy} + dy/dx = 2y - 1 + 2xy - 1[/tex]

Factoring out dy/dx:

[tex](-2x + x^2 + 1) * \frac{dx}{dy} = 2y - 1 + 2xy - 1[/tex]

[tex]dy/dx = \frac{(2y - 2 + 2xy)}{(-2x + x^2 + 1)}[/tex]

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Question 3:
A 12-sided solid has faces numbered 1 to 12. The table shows the results
of rolling the solid 200 times. Find the experimental probability of
rolling a number greater than 10.
Results
1 2 3 4 5 6 7 8 9 10 11 12 Total
Number
rolled
Frequency
18 14 17 17 23 15 17 16 16 15 15 17 200
32
4
P(for having a number greater than 10)= 200 25

Answers

To find the experimental probability of rolling a number greater than 10, we need to determine the frequency of rolling a number greater than 10 and divide it by the total number of rolls.

Looking at the table, we can see that the frequency for rolling a number greater than 10 is the sum of the frequencies for rolling 11 and 12.

Frequency for rolling a number greater than 10 = Frequency of 11 + Frequency of 12

Frequency for rolling a number greater than 10 = 15 + 17 = 32

The total number of rolls is given as 200.

Experimental Probability of rolling a number greater than 10 = Frequency for rolling a number greater than 10 / Total number of rolls

Experimental Probability of rolling a number greater than 10 = 32 / 200

Experimental Probability of rolling a number greater than 10 = 0.16 or 16%

Therefore, the experimental probability of rolling a number greater than 10 is 16%.

Hopes this helps you out :)

Margie has a $50.00 budget to purchase a $45.00 pair of boots. If
there is an 8% sales tax rate, then how much under budget will
Margie be?

Answers

8%*45=3.60 3.60+45=48.60 50.00-48.60=$1.40
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