Listed are 30 ages for Academy Award-winning best actors in order from smallest to largest.
12 14
22 23
35 37
15 20 21
26 28
38 39
47 52
53 55
58 60
61 66 70
72 73 75 78 79
784854
34
40
Find the percentile for age 40.

Answers

Answer 1

Answer:

Step-by-step explanation:

12 14 33 35========1,234,000,124,581.


Related Questions

find a positive and a negative coterminal angle for each given angle.

Answers

Answer:

D

Step-by-step explanation:

to find the coterminal angles add/ subtract 360° to the given angle

- 255° + 360° = 105°

- 255° - 360° = - 615°

A scatterplot includes data showing the relationship between the value of a painting and the age of the painting.

Which graph displays the line of best fit for the data?

A graph has age (years) on the x-axis and value (dollars) on the y-axis. A line with best fit is too steep.
A graph has age (years) on the x-axis and value (dollars) on the y-axis. A line with best fit is not steep enough.
A graph has age (years) on the x-axis and value (dollars) on the y-axis. A line with best fit is not steep enough.
A graph has age (years) on the x-axis and value (dollars) on the y-axis. A line with best fit goes through the points.
Mark this and return

Answers

The graph that displays the line of best fit for the data is the one where the line with the best fit goes through the points.

To determine which graph displays the line of best fit for the data, we need to analyze the provided options and identify the one that represents the relationship between the value of a painting and the age of the painting accurately.In a scatterplot, the line of best fit represents the trend or relationship between the two variables. It aims to summarize and capture the general pattern of the data points. The line of best fit should pass through the data points in a way that represents the overall trend.Analyzing the options, we see that three of them mention that the line with the best fit is either too steep or not steep enough. These options suggest that the line does not accurately capture the trend of the data.However, the remaining option states that the line with the best fit goes through the points. This implies that the line accurately represents the relationship between the value of a painting and the age of the painting by passing through the data points.Based on this analysis, we can conclude that the graph where the line of best fit goes through the points is the one that displays the most accurate representation of the relationship between the value of a painting and the age of the painting.

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Choose the justification for each step of the given equation. -6=-2/3(x+12)+1/3x

Answers

The steps used in the solution of the equation -6 = -2/3(x + 12) + 1/3x are based on the principles of the Distributive Property, combining like terms, addition property of equality, symmetric property, subtraction property of equality, and multiplication property of equality.

Let's analyze the steps of the solution for the given equation -6 = -2/3(x + 12) + 1/3x:

Step 1: Distributive Property

The equation begins with the Distributive Property, which states that you can distribute a factor to each term inside parentheses. In this case, we distribute -2/3 to (x + 12), resulting in -2/3 * x and -2/3 * 12.

Step 2: Simplification

We simplify the expression -2/3 * 12 to -8, as multiplying -2/3 by 12 gives us -24, and simplifying the fraction -24/3 yields -8.

Step 3: Combine Like Terms

We combine the like terms -2/3x and -8. The equation becomes -2/3x - 8 + 1/3x.

Step 4: Combine Like Terms

We combine the like terms -2/3x and 1/3x by adding their coefficients. The sum of -2/3x and 1/3x is -1/3x.

Step 5: Addition Property of Equality

We add -1/3x to both sides of the equation to isolate the constant term. The equation becomes -6 - 1/3x = -1/3x.

Step 6: Symmetric Property

Since the equation has a form of -1/3x = -6 - 1/3x, we can rearrange the terms using the Symmetric Property.

Step 7: Addition Property of Equality

We add 1/3x to both sides of the equation to isolate the constant term. The equation becomes -6 = 0.

Step 8: Subtraction Property of Equality

We subtract 0 from both sides of the equation to simplify it further. The equation remains -6 = 0.

Step 9: Multiplication Property of Equality

We multiply both sides of the equation by any non-zero number to check for consistency. In this case, there is no need for multiplication as the equation is already in its simplified form.

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eight hundred twenty nine and six tenths as a decimal

Answers

Answer: 829.6

Any other questions ask :)

Solve a triangle with a = 4. b = 5, and c = 7."
a. A=42.3°; B = 42.5⁰; C = 101.5⁰
b. A= 34.1°; B = 44.4°; C= 99.5⁰
C.
d.
OA
OB
C
OD
A = 34.1°: B=42.5°: C= 101.5°
A = 34.1°: B= 44.4°: C= 101.5°
Please select the best answer from the choices provided

Answers

Angle C can be found by subtracting the sum of angles A and B from 180 degrees:

b. A = 34.1°; B = 44.4°; C = 101.5°

To solve a triangle with side lengths a = 4, b = 5, and c = 7, we can use the law of cosines and the law of sines.

First, let's find angle A using the law of cosines:

[tex]cos(A) = (b^2 + c^2 - a^2) / (2\times b \times c)[/tex]

[tex]cos(A) = (5^2 + 7^2 - 4^2) / (2 \times 5 \times 7)[/tex]

cos(A) = (25 + 49 - 16) / 70

cos(A) = 58 / 70

cos(A) ≈ 0.829

A ≈ arccos(0.829)

A ≈ 34.1°

Next, let's find angle B using the law of sines:

sin(B) / b = sin(A) / a

sin(B) = (sin(A) [tex]\times[/tex] b) / a

sin(B) = (sin(34.1°) [tex]\times[/tex] 5) / 4

sin(B) ≈ 0.822

B ≈ arcsin(0.822)

B ≈ 53.4°

Finally, angle C can be found by subtracting the sum of angles A and B from 180 degrees:

C = 180° - A - B

C = 180° - 34.1° - 53.4°

C ≈ 92.5°.

b. A = 34.1°; B = 44.4°; C = 101.5°

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Please help me solve this

Answers

Answer:

Step-by-step explanation:

Quincy used this linear system to represent a situation involving a collection of $5 bills and $10 bills:
f+t=70
5f + 10t = 575
a) What problem might Quincy have written?
b) What does each variable represent? ​

Answers

So, 'f+t=70' represents the constraint that the total number of $5 bills and $10 bills is equal to 70. And '5f + 10t = 575' represents the condition that the total value of the $5 bills and $10 bills is equal to $575.

a) Quincy might have written a problem involving the number of $5 bills (represented by variable 'f') and the number of $10 bills (represented by variable 't'), with certain constraints and conditions.

Quincy might have written a problem related to a scenario where he needed to determine the number of $5 bills and $10 bills. The problem could involve a specific situation.

b) In this linear system:

'f' represents the number of $5 bills.

't' represents the number of $10 bills.

So, 'f+t=70' represents the constraint that the total number of $5 bills and $10 bills is equal to 70.

In the linear system, 'f' represents the number of $5 bills Quincy has, while 't' represents the number of $10 bills. The equation 'f+t=70' implies that the total number of bills. The second equation, '5f + 10t = 575', represents the condition that the total value of the $5 bills (5f) and the $10 bills (10t) together amounts to $575.

And '5f + 10t = 575' represents the condition that the total value of the $5 bills and $10 bills is equal to $575.

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3 square root 16x^7 * 3 square root 12x^9

Answers

Answer:

Step-by-step explanation:

To simplify the expression, we can combine the square roots and simplify the exponents.

Starting with the expression:

3√(16x^7) * 3√(12x^9)

Let's simplify each term separately:

Simplifying 3√(16x^7):

The index of the radical is 3, so we need to group the terms in sets of three. For the variable x, we have x^7, which can be grouped as x^6 * x.

Now, let's simplify the number inside the radical:

16 = 2^4, and we can rewrite it as (2^3) * 2 = 8 * 2.

So, 3√(16x^7) becomes:

3√(8 * 2 * x^6 * x) = 2 * x^2 * 3√(2x)

Simplifying 3√(12x^9):

Again, the index of the radical is 3, and we group the terms in sets of three. For the variable x, we have x^9, which can be grouped as x^6 * x^3.

Now, let's simplify the number inside the radical:

12 = 2^2 * 3.

So, 3√(12x^9) becomes:

3√(2^2 * 3 * x^6 * x^3) = 2 * x^2 * 3√(3x^3)

Now we can multiply the simplified terms together:

(2 * x^2 * 3√(2x)) * (2 * x^2 * 3√(3x^3))

Multiplying the coefficients: 2 * 2 * 3 = 12.

Multiplying the variables: x^2 * x^2 = x^4.

Now, let's combine the square roots:

3√(2x) * 3√(3x^3) = 3√(2x * 3x^3) = 3√(6x^4).

Therefore, the simplified expression is:

12x^4 * 3√(6x^4)

Find the values of x and y.
G
(6y)⁰
X =
(5x)
y =
M
(10x)⁰
K
L

Answers

Answer:

be more clear of what u mean edit the question to explain more

Step-by-step explanation:

no explanation

Linda is opening a bakery and needs to figure out how much to charge for donuts. She checks with a number of other bakeries and compares their prices to their reported profits.
Donut Price Profits
$1.55 $5244
$0.95 $5244
$0.75 $3900
$1.25. $6000
$1.05 $5664
$1.35. $5916
Bakery
Dan's Delicious Donuts
The Corner Bakery
Bake 'n Wake
Donuts 'R' Us
Dan's Delicious Donuts
Dan's Delicious Donuts $1.35

A: Find the quadratic function that fits this data. Express this function in vertex form.

B: Use your model to predict Linda's profits if she undercuts the competition by selling her donuts for 55 cents each.
Linda's profits will be $

Answers

A: To find the quadratic function that fits the given data, we can use the vertex form of a quadratic function: y = a(x - h)^2 + k, where (h, k) represents the vertex of the parabola.

Using the data provided, we can identify three points that lie on the parabola: (0.95, 5244), (1.35, 5916), and (1.55, 5244). Substituting these values into the vertex form, we can solve for a, h, and k.

Using the point (h, k) = (1.35, 5916), we have:

5916 = a(1.35 - h)^2 + k

Substituting (1.35, 5916) and (0.95, 5244) into the equation, we get:

5916 = a(1.35 - h)^2 + k
5244 = a(0.95 - h)^2 + k

Solving these two equations simultaneously will give us the values of a, h, and k. After obtaining the values, we can express the quadratic function in vertex form.

B: To predict Linda's profits if she sells her donuts for 55 cents each, we would need to substitute x = 0.55 into the quadratic function and solve for y. However, without the quadratic function in vertex form, we cannot provide an accurate prediction at this moment.

Which model represents a percent error of 25%?
A- A model with 12 squares labeled exact value and 3 squares labeled error.
B- A model with 10 squares labeled exact value and 5 squares labeled error.
C- A model with 9 squares labeled exact value and 3 squares labeled error.
D- A model with 8 squares labeled exact value and 4 squares labeled error.

Answers

The correct answer is A- A model with 12 squares labeled exact value and 3 squares labeled error.

To determine which model represents a percent error of 25%, we need to compare the number of squares labeled "exact value" and "error" in each model and calculate the ratio between them.

Let's calculate the ratio for each model:

Model A: 3 squares labeled error / 12 squares labeled exact value = 0.25 or 25%.

Model B: 5 squares labeled error / 10 squares labeled exact value = 0.5 or 50%.

Model C: 3 squares labeled error / 9 squares labeled exact value ≈ 0.3333 or 33.33%.

Model D: 4 squares labeled error / 8 squares labeled exact value = 0.5 or 50%.

From the calculations, we can see that only Model A represents a percent error of 25%. The other models have ratios of 50% and 33.33%, which do not match the desired 25% error.

Consequently, the appropriate response is A- A model with 12 squares labeled exact value and 3 squares labeled error.

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(a) Un ángulo mide 47°. ¿Cuál es la medida de su complemento?
(b) Un ángulo mide 149°. ¿Cuál es la medida de su suplemento?

Answers

El supplemento y el complemento de cada ángulo son, respectivamente:

Caso A: m ∠ A' = 43°

Caso B: m ∠ A' = 31°

¿Cómo determinar el complemento y el suplemento de un ángulo?

De acuerdo con la geometría, la suma de un ángulo y su complemento es igual a 90° and la suma de un ángulo y su suplemento es igual a 180°. Matemáticamente hablando, cada situación es descrita por las siguientes formulas:

Ángulo y su complemento

m ∠ A + m ∠ A' = 90°

Ángulo y su suplemento

m ∠ A + m ∠ A' = 90°

Donde:

m ∠ A - Ángulom ∠ A' - Complemento / Suplemento.

Ahora procedemos a determinar cada ángulo faltante:

Caso A: Complemento

47° + m ∠ A' = 90°

m ∠ A' = 43°

Caso B: Suplemento

149° + m ∠ A' = 180°

m ∠ A' = 31°

Observación

El enunciado se encuentra escrito en español y la respuesta está escrita en el mismo idioma.

The statement is written in Spanish and its answer is written in the same language.

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point D i ain’t the interior of ABC . what is m/ DBC

Answers

Answer:

36.5°

--------------------------------

Angles ABD and DBC form a linear pair, hence their sum is 180°.

Set up an equation and solve for x:

3x + 22 + x - 4 = 1804x + 18 = 1804x = 162x = 40.5

Substitute 40.5 for x and find the measure of ∠DBC:

m∠DBC = 40.5 - 4 m∠DBC = 36.5

Question #5
Find the measure of the indicated arc.
OOOO
90°
80°
100°
70°
G
H
40°
F

Answers

The value of the required arc in the figure is solved to be

80°

How to find the value of the arc

The inscribed angle is given in the problem as 40 degrees. This is the angle formed at the circumference of the circle

The relationship between inscribed angle and the intercepted arc is  

intercepted arc = 2 * inscribed angle

in the problem, we have that

intercepted arc = ?

inscribed angle = 40

plugging in the values

intercepted arc = 2 * 40

intercepted arc = 80 degrees

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whats the answer pls

Answers

Answer:

 

Step-by-step explanation:

(3x-1)(x-2)=5x+2 ecuación cuadrática incompleta

Answers

Hence, the arrangements to the quadratic equation  (3x-1)(x-2) = 5x + 2 are x = and x = 4.

Quadratic equation calculation.

To unravel the quadratic equation  (3x-1)(x-2) = 5x + 2, let's to begin with grow the cleared out side of the equation:

(3x - 1)(x - 2) = 5x + 2

Growing the condition:

3x^2 - 6x - x + 2 = 5x + 2

Streamlining the condition:

3x^2 - 7x + 2 = 5x + 2

Another, let's move all terms to one side of the condition:

3x^2 - 7x - 5x + 2 - 2 =

Combining like terms:

3x^2 - 12x =

Presently, we have a quadratic condition in standard shape: ax^2 + bx + c = 0, where a = 3, b = -12, and c = 0.

To fathom the quadratic equation, able to calculate out the common calculate of x:

x(3x - 12) =

From this equation, we are able see that the esteem of x can be or unravel for 3x - 12 = 0:

3x - 12 =

Including 12 to both sides:

3x = 12

Isolating both sides by 3:

x = 4

Hence, the arrangements to the condition (3x-1)(x-2) = 5x + 2 are x = and x = 4.

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Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so that there are n=7 ​trials, each with probability of success​ (correct) given by p=0.45. Find the indicated probability for the number of correct answers.
Find the probability that the number x of correct answers is fewer than 4.

Answers

To find the probability that the number of correct answers is fewer than 4, we need to calculate the cumulative probability up to 3 correct answers. Since each trial has a probability of success (correct) given by p = 0.45, we can use the binomial distribution formula to calculate the probabilities.

The formula for the binomial distribution is:
P(x) = (n C x) * (p^x) * ((1 - p)^(n - x))

Where:
P(x) is the probability of getting x successes,
n is the number of trials,
x is the number of successes,
p is the probability of success in a single trial, and
(1 - p) is the probability of failure in a single trial.

Now, let's calculate the probability that the number of correct answers is fewer than 4:

P(x < 4) = P(x = 0) + P(x = 1) + P(x = 2) + P(x = 3)

P(x < 4) = (7 C 0) * (0.45^0) * (0.55^7) + (7 C 1) * (0.45^1) * (0.55^6) + (7 C 2) * (0.45^2) * (0.55^5) + (7 C 3) * (0.45^3) * (0.55^4)

You can use these calculations to find the numerical value of P(x < 4).

Let {X₁} be independent standard normal random variables. Let Y = (X₁ + X3 + X5 + X7)² + (X₂ + X₁ + X6 + X8)². Determine a value c such that the random variable cY will have an x² distribution

Answers

The value of "c" such that the random variable cY has an x² distribution is 4.

To find the value of "c" such that the random variable cY has a chi-squared (x²) distribution, we need to consider the properties of the chi-squared distribution and the given expression for Y.

The chi-squared distribution with "k" degrees of freedom is obtained by summing the squares of "k" independent standard normal random variables. Each standard normal variable contributes one degree of freedom to the chi-squared distribution.

In the given expression for Y, we have two squared terms: (X₁ + X₃ + X₅ + X₇)² and (X₂ + X₁ + X₆ + X₈)². To obtain an x² distribution, we need to rewrite the expression in terms of squared standard normal random variables.

To achieve this, we can divide each squared term by its corresponding degrees of freedom and take the square root:

Y = (X₁ + X₃ + X₅ + X₇)² + (X₂ + X₁ + X₆ + X₈)²

= (1/4)(X₁ + X₃ + X₅ + X₇)² + (1/4)(X₂ + X₁ + X₆ + X₈)²

Now, we can rewrite Y as:

Y = (1/4)χ²₁ + (1/4)χ²₁

Here, χ²₁ and χ²₂ represent chi-squared random variables with 1 degree of freedom each.

To obtain an x² distribution, we need to make the coefficients of the chi-squared random variables equal to their degrees of freedom. In this case, we want the coefficient to be 1.

So, setting the coefficient of χ²₁ to 1, we get:

(1/4) = 1/c

Solving for "c", we find:

c = 4

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me movement o
Which choice shows (3+9) + 13 correctly rewritten using the associative property and then
correctly simplified?
O 13+(3+9) = 13 + 12 = 25
13+(9+ 3) = 13 + 12 = 25
O 3+ (91+3) = 3 +94 = 97
O 3+ (9+13) = 3 +22= 25

Answers

(3+9) + 13 correctly rewritten using the associative property and then correctly simplified is 13+(9+3) = 13 + 12 = 25.

1. Start with the expression (3+9) + 13.

2. According to the associative property of addition, we can group the numbers in any order without changing the result.

3. Rearrange the expression by grouping the numbers differently: (9+3) + 13.

4. Now simplify the grouped numbers: 9+3 = 12.

5. The expression becomes 12 + 13.

6. Finally, simplify the addition: 12 + 13 = 25.

Therefore, the correct rewritten expression using the associative property and the simplified result is 13+(9+3) = 13 + 12 = 25.

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ecorded the sizes of the shoes in her family's cupboa
the modal size?
8, 7, 8, 8.5, 7, 8.5, 7

Answers

The modal sizes of shoes in the family's cupboard are 8 and 7.

To determine the modal size of shoes in the family's cupboard, we need to find the shoe size that appears most frequently in the given data. Let's analyze the sizes:

8, 7, 8, 8.5, 7, 8.5, 7

To find the mode, we can create a frequency table by counting the number of occurrences for each shoe size:

8     |     3

7     |     3

8.5 | 2

From the frequency table, we can see that both size 8 and size 7 appear three times each, while size 8.5 appears two times. Since both size 8 and size 7 have the highest frequency of occurrence (3), they are considered modal sizes. In this case, there is more than one mode, and we refer to it as a bimodal distribution.

To determine the mode, we performed a frequency count of each shoe size in the given data. We counted the number of occurrences for sizes 8, 7, and 8.5. Based on the frequency counts, we identified the sizes with the highest frequency, which turned out to be 8 and 7, both occurring three times. Thus, they are the modal sizes in the data set.

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PLSS HELP HURRYYY

ILL GIVE BRAINLIST

Answers

Answer:

hope you understand it and please follow me

19
Select the correct answer.
This table represents function f.
0
2
I
f(x)
0
-2
If function g is a quadratic function that contains the points (-3, 5) and (0, 14), which statement is true over the inter
-3
-4.5
-2
-2
-1
-0.5
1
-0.5
3
-4.5
OA. The average rate of change of fis less than the average rate of change of g.
O B.
The average rate of change of fis more than the average rate of change of g.
'O C.
The average rate of change of fis the same as the average rate of change of g.
OD. The average rates of change of f and g cannot be determined from the given information.

Answers

The correct statement is OB. The average rate of change of f is more than the average rate of change of g.

To determine the average rate of change (slope) of the functions f and g, we can use the formula:

Average Rate of Change = (f(x2) - f(x1)) / (x2 - x1)

For function f, using the given table, we can calculate the average rate of change between the points (0, 0) and (2, -2):

Average Rate of Change (f) = (-2 - 0) / (2 - 0) = -2 / 2 = -1

For function g, using the given points (-3, 5) and (0, 14), we can calculate the average rate of change:

Average Rate of Change (g) = (14 - 5) / (0 - (-3)) = 9 / 3 = 3

Comparing the average rates of change, we find that the average rate of change of f is -1, while the average rate of change of g is 3.

Therefore, the correct statement is:

OB. The average rate of change of f is more than the average rate of change of g.

The average rate of change of f is greater than the average rate of change of g, indicating that the function f is increasing at a faster rate than function g over the given interval.

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A sunglasses store bought $5,000 worth of sunglasses. The store made $9,000, making a profit of $20 per pair of sunglasses. There were __?__ pairs of sunglasses involved.

Answers

200 sunglasses
If you need to show your work let me know:)

Which equation represents a line which is perpendicular to the line y = - 6/5 * x - 7

Answers

An equation representing a line perpendicular to y = -6/5 [tex]\times[/tex] x - 7 would be y = 5/6 [tex]\times[/tex] x + c, where c is any constant.

To determine a line that is perpendicular to the given line y = -6/5 [tex]\times[/tex] x - 7, we need to consider the slope of the given line.

The given line has a slope of -6/5.

For two lines to be perpendicular, their slopes must be negative reciprocals of each other.

The negative reciprocal of -6/5 can be found by flipping the fraction and changing the sign, which gives us 5/6.

Therefore, the equation of a line perpendicular to y = -6/5 [tex]\times[/tex] x - 7 will have a slope of 5/6.

To find the equation of this perpendicular line, we can use the point-slope form of a line, using a known point on the line.

Let's assume the line passes through the point (x1, y1).

The equation of the perpendicular line can be written as: y - y1 = (5/6) [tex]\times[/tex] (x - x1).

Since we do not have a specific point given, we cannot determine the exact equation of the perpendicular line without additional information.

In summary, the equation of a line perpendicular to y = -6/5 [tex]\times[/tex] x - 7 will have a slope of 5/6, but the specific equation depends on the point it passes through.

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Landon finds some dimes and quarters under the couch cushions. How many coins does he have if he has 5 dimes and 10 quarters? How many coins does he have if he has d dimes and q quarters?

Answers

Answer:

15 coins, d + q coins

Step-by-step explanation:

If asking for the amount (in $)

5(.10) + 10(.25) = 2.5+.5 = $3

He would have 0.1d + 0.25q for d dimes and q quarters.

i need help!!!! does anyone know this..!!???

Answers

The period of oscillation is 3 seconds

What is period of oscillation?

A Oscillation is the periodic change of a measure around a central value or between two or more states, usually in time.

The time taken for an oscillating particle to complete one cycle of oscillation is known as the Period of oscillating particle. It is measured in seconds

Oscillation can also be vibration or revolution or cycle.

Therefore, using the graph to determine the period. Then the wave particle made a complete oscillation at 3 second.

This means that the period of the particle is 3 seconds.

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the image is the question
a) c = 22 feet
b) c = 23
c) c = 24
d) c = 30

Answers

The length of the triangle's hypotenuse (c) is approximately 22 feet. The closest option provided is "a) c = 22 feet."

The Pythagorean theorem, which asserts that given a right triangle, the sum of the squares of the two shorter sides (a and b), is equal to the square of the hypotenuse (c), can be used to determine the length of the triangle's hypotenuse (c).

a = 10 feet

b = 20 feet

Using the Pythagorean theorem, we can calculate c as follows:

c^2 = a^2 + b^2

c^2 = 10^2 + 20^2

c^2 = 100 + 400

c^2 = 500

To find c, we take the square root of both sides:

c = √500

c ≈ 22.36

Rounding the answer to the nearest whole number, we get c ≈ 22.

Therefore, the length of the triangle's hypotenuse (c) is approximately 22 feet. The closest option provided is "a) c = 22 feet."

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Answers

The resulting matrix after the rows are interchanged is given as follows:

[tex]\left[\begin{array}{cccc}2&9&4&5\\8&-2&1&7\\1&4&-4&9\end{array}\right][/tex]

How to obtain the resulting matrix?

The matrix for this problem is defined as follows:

[tex]\left[\begin{array}{cccc}8&-2&1&7\\2&9&4&5\\1&4&-4&9\end{array}\right][/tex]

The row 1 is given as follows:

[8 -2 1 7].

The row 2 is given as follows:

[2 9 4 5].

Interchanging the rows means that the elements of the row 1 in the matrix is exchanged with the elements of row 2, hence the resulting matrix is given as follows:

[tex]\left[\begin{array}{cccc}2&9&4&5\\8&-2&1&7\\1&4&-4&9\end{array}\right][/tex]

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Find a delta that works for ε = 0.01 for the following
lim √x + 7 = 3
x-2


Answers

A suitable delta (δ) for ε = 0.01 is any positive value smaller than √6.

To find a suitable delta (δ) for the given limit, we need to consider the epsilon-delta definition of a limit.

The definition states that for a given epsilon (ε) greater than zero, there exists a delta (δ) greater than zero such that if the distance between x and the limit point (2, in this case) is less than delta (|x - 2| < δ), then the distance between the function (√x + 7) and the limit (3) is less than epsilon (|√x + 7 - 3| < ε).

Let's solve the inequality |√x + 7 - 3| < ε:

|√x + 7 - 3| < ε

|√x + 4| < ε

-ε < √x + 4 < ε

To remove the square root, we square both sides:

(-ε)^2 < (√x + 4)^2 < ε^2

ε^2 > x + 4 > -ε^2

Since we're interested in the interval around x = 2, we substitute x = 2 into the inequality:

ε^2 > 2 + 4 > -ε^2

ε^2 > 6 > -ε^2

Since ε > 0, we can drop the negative term and solve for ε:

ε^2 > 6

ε > √6

Please note that this solution assumes the function √x + 7 approaches the limit 3 as x approaches 2. To verify the solution, you can substitute different values of δ and check if the conditions of the epsilon-delta definition are satisfied.

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A total of 90 groom's guests and 85 bride's guests attended a wedding. The bride's guests used 100 tissues. The groom's guests used 180 tissues. Calculate approximately how many tissues each groom's guest used.

Answers

Approximately 2 tissues were used by each groom's guest at the wedding.

The calculation is as follows:

180 tissues ÷ 90 guests = 2 tissues per guest.

To determine how many tissues each groom's guest used, we need to find the average number of tissues per guest. We start by adding up the number of tissues used by the groom's guests, which is 180.

Then, we divide this total by the number of groom's guests, which is 90. This division gives us an average of 2 tissues per guest.

By dividing the total number of tissues used by the total number of guests, we can find the average number of tissues per guest. In this case, each groom's guest used approximately 2 tissues.

It's important to note that this calculation assumes an equal distribution of tissues among all the groom's guests.

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