I need help with this question

The vertex of p(x)  is (9, 0).

Vertex of q(x) is (0, 9).

Vertex of r(x) is (-9, 0).

Vertex of t(x) is (0, -9).

What is absolute value function?

The non-negative value of a real number x without regard to its sign is known as its absolute value or modulus in mathematics and is denoted by the symbol |x|. Specifically, |x|=x and |x|=-x, respectively, if x is a positive number, and |0|=0 otherwise.

The vertex form of an absolute value function is f(x) = a |x - h| + k where

(h, k) is the vertex from which the graph starts and a = m is the slope.

So, the absolute value function  p(x) = |x - 9|, means h =-(-9) = 9 and

k = 0, will result in the vertex at (9, 0).

The absolute value function q(x) = |x| +9 , means h = 0 h=0 and k =9, will result in a vertex (0, 9).

The absolute value function r(x) = |x + 9|,  means, h = -9 and, k=0, will result in the vertex at (-9, 0).

The absolute value function t(x) = |x| -9 , means h = 0 and k = -9, will result in the vertex at (0, -9)

Hence,

The vertex of p(x)  is (9, 0).

Vertex of q(x) is (0, 9).

Vertex of r(x) is (-9, 0).

Vertex of t(x) is (0, -9).

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The adults less than 10 minutes are 52, the teenager less than 10 minutes 72, the teenager more than 10 minutes are 64, and the total is 250.

What is mathematical operations in reasoning?

The study is based on the mathematical operations that are multiplication, addition, subtraction, and division. “Mathematical Operations reasoning” is the simple process of the expression of the containing numbers and various operations in the mathematical field.

                                              Time to complete Maze

                         less than 10 minutes         10 minutes or more          Total

Adults                           52                                      62                             114

Teenager                     72                                       64                            136

Total                            124                                      126                           250

114 - 62 = 52 {adults less than 10 minutes}

52 + 20 = 72 {teenager less than 10 minutes}

136 - 72 = 64 {teenager more than 10 minutes}

124 + 126 = 250 {total}

Hence, the adults less than 10 minutes are 52, the teenager less than 10 minutes 72, the teenager more than 10 minutes are 64, and the total is 250.

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Answer:

[tex]y=-1/4x+3[/tex]

Step-by-step explanation:

Slope-intercept form is of the form y=mx+b where m is the slope and b is they y-intercept. To solve for the slope, we take the difference of two y-coordinates divided by the x-coordinates difference. Doing this, we get

[tex](3-1)/(0-4)[/tex]

[tex]=-1/4[/tex]

This is our slope. The y-intercept is 3, because the line hits the y-axis when y=3.

Thus, our equation is y=-1/4x + 3.

Feel free to contact me with any questions. I hope this helps!

The amount invested at the rate of 8% is; $3000

We are told that Walt made an extra $7000 last year from a part-time job. He invested part of the money at 7% and the rest at 8%.

If the amount invested is denoted as X , then we have;

0.07X + 0.08(7000 - X)

Now, since he made a total of $530, the we can equate that equation to $530 to get;

0.07X + 0.08(7000 - X) = 530

Expanding this equation gives us;

0.07X + 560 - 0.08X = 530

0.01X = 560 - 530

0.01X = 30

X = 30/0.01

X = $3000

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Answer:

170 cartons ; 15 Grapefruits

Step-by-step explanation:

Given:-

Total grapefruits : 4325

Bob sold : 1250

Remaining is  : 3075      (4325-1250)

How many gift cartons can Bob’s fill with the remaining grapefruits

Grapefruit per carton: 18 (given)

= 3075/18

= 170 cartons

How many grapefruits will be left

= 3075 - 3060

= 15 Grapefruits

I hope my answer helps you.

The inequality which represents the number of people who can go to the amusement park will be 14.75 + 11.25x ≤ 80.

A difference between two values indicates whether one is smaller, larger, or basically not similar to the other.

A mathematical phrase in which the sides are not equal is referred to as being unequal. In essence, a comparison of any two values reveals whether one is less than, larger than, or equal to the value on the opposite side of the equation.

As per the given,

Total budget = $80

Tickets cost of x number of tickets = 11.25x

Parking cost + tickets cost ≤ total budget

14.75 + 11.25x ≤ 80

Hence"The inequality which represents the number of people who can go to the amusement park will be 14.75 + 11.25x ≤ 80".

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Answer: The rates are not equivalent.

Step-by-step explanation: You have to find the unit rate. This means the number of laps per minute. To find this out you have to divide 12 by 4 which equals 3 and divide 18 by 8 which equals 2.25. Now we know the rates are not equivalent because your rate is 3 laps/minute and your friend's rate is 2.25 laps/minute.

Answer: The rates are not equivalent

Step-by-step explanation:

Firstly,You must identitify the ratio.
The ratio can be 12:4 and 18:8.

Now we must convert 4 minutes and minutes into seconds to make it easier for us to work with.
4 * 60 = 240

18 * 60 = 1080

Now the question is 12: 240 equavialent to 18: 1080.

Method A:

For 12:240 to get 1 lap :

we can divided 240/12 = 20.

1 lap takes 1/3 of a minute or 20seconds.

For 18:1080:

We divide 1080/18 = 60= 1 minute

12:240=20 seconds

18:1080= 60 seconds.

They are not equivalent.

Method B:Compare 12:240 to 18:1080 and divide by 2

if the ratio  split 50/50,they are equavalent.

Add the seconds together,becuase that is the total time

1080+240= 1320 second.

12+ 18=20

Now the ratio is 30:1320

1 lap takes 1320 / 30 = 44seconds

12 laps * 44 = 528s

18laps * 44 = 792s

528s is not 792s.

Answer:

(200, 10000)

Step-by-step explanation:

The corresponding z-score for each student are as follows;

College student, z = 0.73.

University student; z = 0.67.

Mathematically, the z-score of a given sample size or data set can be calculated by using this formula:

Z-score, z = (x - μ)/σ

Where:

For the College student, we have the following:

Sample score = $9935.

Standard deviation = $1867.

Mean score = $8581

Z-score, z = (9935 - 8581)/1867

Z-score, z = 1354/1867

Z-score, z = 0.73.

For the University student, we have the following:

Sample score = $11,757.

Standard deviation = $2133.

Mean score = $10,339

Z-score, z = (11,757 - 10,339)/2133

Z-score, z = 1,418/2133

Z-score, z = 0.67.

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Ans: 3x-8

now, as per the question,

LHS=y       .......(i)

and it is given in the question that 3 times x is greater than y by 8 .

so , by reframing the equation numerically,

we get,

y=3x-8.

Using simple mathematical operations, we know that Jessie's total time of practice is 410 minutes.

A mathematical "operation" is the process of calculating a value utilizing operands and a math operator.

There are predefined rules associated with the math operator's symbol that must be applied to the supplied operands or numbers.

PEMDAS stands for Parentheses, Exponents, Multiplication, Division, and Addition Subtraction (from left to right).

So, the total time Jessie practices:

We must include the time spent practicing during the first week and the second week in order to determine the overall amount of time Jesse practices.

Total time:

165 + 245

410 minutes

Rounding off: 410 minutes

Therefore, using simple mathematical operations, we know that Jessie's total time of practice is 410 minutes.

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Complete question:
Jesse practices the trumpet for a total of 165 minutes during the first week of school. He practices for 245 minutes during the second week. A. Estimate the total amount of time Jesse practices by rounding to the nearest 10 minutes.

The revised bank statement of Pina is $919.11 if ending balance from statement $1,115.5 and Deposits outstanding is $409.03.

Unpaid deposits are receipts that appear in your accounting records but not on your bank statement. Money that you have received, such as cash and checks, is included in receipts. A receipt may occasionally be entered in your books before it shows up on your bank statement. Your books' line item corresponds to the unpaid deposit.

An outstanding deposit is a term used to describe a business's receipts (cash, customer checks, etc.) that have been entered into the general ledger accounts but have not yet been shown on the bank statement. Deposits in transit are another name for outstanding deposits.

Revised statement=End balance+ deposits-check outstand

=1115.5+409.03-605.42

=919.11

Therefore, the revised bank statement of Pina is $919.11

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The equation of the polynomial P3 is  p3​(t) = 5/6t³− 17/6t​

Equation:

In algebra, an equation consists of variable, number and constants.

Given,

Here we need to find the polynomial P3 such that {P0, P1, P2, P3} is an orthogonal basis for the subspace P3 of P4.

And the scale the polynomial p3 so that its vector of values is (-1,2,0, -2,1).

Here we know that the polynomial (before the scaling) p3​ is just the difference between t³ and its orthogonal projection on the span of 1,t,t²−2.

Then we showed that the projection is ​, hence

p3​(t) = t³− 17/5t​

When here we have the  scale this polynomial such that the vector of values at t=−2,−1,0,1,2 is (−1,2,0,−2,1).

Now, we need to find the scalar α, it can be written as,

=> α⋅p3​(−2)=−1

=> α⋅p3​(−1)=2

=> α⋅p3​(0)=0

=> α⋅p3​(1)=−2

=> α⋅p3​(2)=1

Here from the 4-th equation we have the value of

=> α⋅(1- 17/5) = -2

=> α = 5/6​

And it is easy to check that all the equations are satisfied with this α.

Therefore, the required polynomial p3 is

=> p3​(t) = 5/6(t³− 17/5t​)

=> p3​(t) = 5/6t³− 17/6t​

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Using inequality graphing, we get

1 = option A and E

2= none

3= option B and G

4= option C and I

How can graph inequalities?

1. Rewrite the equation with "y" on the left and the rest of the terms on the right.

2. Draw the "y=" line (with a solid line for y or y and a dotted line for y or Y>).

3. Use a shaded line to indicate larger than or less than (y> or y) or vice versa.

The graph corresponding to the options is as follows

graph 1 corresponds to equations A and E

Graph 3 corresponds to equations B and G

Graph 4 corresponds to equations C and I

The 4-letter word is CAGE

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Scatter plots exists essential because they can demonstrate the degree of correlation, if any, between the values of observed quantities or occurrences.

Several dots are placed on a horizontal and vertical axis to form a scatter plot. In statistics, scatter plots are crucial because they can demonstrate the degree of correlation, if any, between the values of observed quantities or occurrences (called variables).

Using data visualization, a scatter plot may be used to show how several variables relate to one another. Put different data points between an x- and y-axis to display this data. The name of this form of data visualization comes from the way that each of these data points appears to be "scattered" over the graph.

The graphs known as scatter plots show the relationship between two variables in a data set. On a two-dimensional plane or in a Cartesian system, it represents data points. The dependent variable is represented on the Y-axis, and the independent variable or attribute is plotted on the X-axis.

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3. x < 3

Explanation:

The inequality represents the greater than ">" or lesser than "<".

∵ The temperature is less than 3 the answer is x < 3.

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The following inequality represents temperatures below 3°F

c. x < 3

A relationship between two expressions or values that is not equal to each other is referred to as "inequality" in mathematics. So inequality results from an imbalance. For instance, let's say you want to spend $250 on a new bicycle but only have $225. The fact that you are comparing two non-equal numbers makes it an inequality as well.

When two quantities are equal, the symbol "=" is used, and when they are not equal, the symbol "" is used to denote that. When two values are not equal, the first value may be greater than (>), less than (<), greater than equal to (≥), less than equal to (≤). In light of the example given above, 250 > 225.

Solution:

The less than symbol represented as < is only available in x < 3, it is also available in  x < -3 but we have given that temperature ins 3°F and not -3°F.

Thus the correct answer is c. x < 3

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The graph of the function f(x) = { x + 1 } at different domain are plotted and attached

{ if x < 0 }

{ if 0 < x < 1 }

{ if x > 1 }

In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way.

The relationships between two or more items are frequently represented by the points on a graph.

The graph of f(x) = x + 1 for different domain is plotted and attached

{ if x < 0 } the domain includes { -∞....-3 -2 -1}

{ if 0 < x < 1 } the domain includes { 0...0.7 0.8 0.9}

{ if x > 1 } the domain includes { 0 1 2 3 4 5...∞ }

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Answer:

= 2x=6-3y

= 2x/2= 6-3y/2

= x= 6-3y/2

= x = -3y/2+3

(A×B)∩(A×C)={(1,4),(2,4),(3,4)}  

In mathematics, a set is a logically arranged group of items that can be represented in either set-builder or roster form. Sets are typically denoted by curly brackets; for instance, A = 1, 2, 3, 4 is a set. Check the set symbols here as well.

The various kinds of sets, symbols, and operations are described by the set theory.

Given,

A={1,2,3},B={3,4} and C={4,5,6}

A×B={(1,3),(1,4),(2,3),(2,4),(3,3),(3,4)}

A×C={(1,4),(1,5),(1,6),(2,4),(2,5),(2,6),(3,4),(3,5),(3,6)}

∴ (A×B)∩(A×C)={(1,4),(2,4),(3,4)}  

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Answer:

30%

Step-by-step explanation:

See Venn diagram below

He invested in each account as follows:

First account ----->  31,000

Second account ----->  10,000

What is the percentage?

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

gained - lost = 1670

0.07x - 0.05(41000 - x) = 1670

Find x :

0.07x - 0.05(41000 - x) = 1670

0.07x - 2050 + 0.05x = 1670

0.12x = 1670  + 2050

x = 31,000

41000 - 31,000 = 10,000

He invested in each account as follows:

First account ----->  31,000

Second account ----->  10,000

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Answer:

she spent £80 more on Tuesday than on Wednesday

Step-by-step explanation:

Tuesday she spent = £4680

1 = €1.15

x = €5382

cross multiply

x = £4680

Wednesday she spent = £4600

£1 = €1.17

x = €5382

cross multiply

x = £4600

the difference is £80

(5382/1.15) - (5382/1.17) = 80

Answer: for £80 more

Step-by-step explanation:

To receive  5382€ on Tuesday Brooke needs:

5382/1.15=

£4680

To receive  5382€ оn Wednesday Brooke needs:

5382/1.17=

£4600

Thus,

4680-4600=

£80

Answer: Assign the numbers 1-9 to represent a made goal and the number 10 to represent a missed goal.

Step-by-step explanation: The coach wants to ESTIMATE the number of goals the player will make out of 10 attempts. Since someone can’t make 8.8 goals, we can round up to 9 goals.

Answer:

Domain: [tex](-\infty, \infty)[/tex]

Range: [tex]f(x)\ge 0[/tex]

Step-by-step explanation:

Interval Notation is one way to express a range of values. This is usually denoted with two values, let's just say "a" and "b" as: [tex](a, b)[/tex] where "a" is less than "b", so the lower value goes on the left the higher values goes on the right.

The next thing to note is the difference between square brackets and parenthesis. Whenever you use a square bracket next to a value in interval notation, that means the value is included. If you use a parenthesis, that means the value is not included.

So for example: [tex](2, 4][/tex] means all values between 2 (excluding 2) and 4 (including 4)

The domain of a function, or a relation, can be defined as all x-values that are on the graph. In most cases this is all real numbers which can also be denoted as: [tex](-\infty, \infty)[/tex] which is saying all values between negative infinity and positive infinity.. which is any real number. The only time the domain doesn't include x-values, is because the line isn't defined at that x-value OR based on the context, only certain values are in the domain e.g (time after an event; only positive numbers)

In the function provided: [tex]f(x)=|x+6|[/tex] there is no x-value in which this function is undefined. So the range is all real numbers or [tex](-\infty, \infty)[/tex]

The range of a function, or a relation, similar to the domain,  can be defined as all y-values that are on the graph.

Now to determine the range of the function, we first need to understand what the absolute value is doing to the (x+6) inside of it.

The absolute value of any real number can be defined as the distance from zero. When applied to any positive number, the value stays the same (since thd distance from zero IS that number). When applied to any negative number, the value becomes the positive value of that number since distance is positive. For example -6 has a distance of 6 units to the left of zero, but distance is a scalar it doesn't care about the direction, it's just 6 units away from zero, which is why it becomes positive when taking the absolute value.  When applied to zero... it just stays zero, since 0 is 0 units away from zero...

So the minimum value of |x+6| is going to be zero, which occurs when x+6 is equal to zero. If it's a negative number or positive number inside it's always going ot output a positive number. And for positive numbers it actually remains positive, so once it reaches the turning point (where it goes from increasing to decreasing) it's going to keep increasing to positive infinity.

This means the range is all values greater than or equal to zero, which can be denoted as: [tex][0, \infty)[/tex] OR [tex]f(x)\ge 0[/tex] since the f(x) represents the "y" value, all the inequality is saying, is that the y-value will always be greater than or equal to zero.

Answer: 320 i hope it works..

Since the first equation of system B is created by multiplying system A's second equation by four, both equations will have the same answer. option c is correct

Equations are mathematical expressions that have two algebraic expressions on either side of an equals (=) sign. . For an unknown quantity represented by an unknown variable, equations can be solved to determine its value. A statement is not an equation if it contains no references to "equal to" symbols.

Here,

you have a two-equation system.

System A: 6x + y = 2, and -x - y = 3.

System B: -10 = 2x - 3y, -3 = x - y

Choose the statement about each of the two systems of equations that is true from the list provided.

System A is an example.

6x + y = 2 ......(1) (1)

-x -y = -3 ....(2) (2)

Equation (2) becomes when we double it by 4.

-4x -4y = -12 ......(3) (3)

We now have, after adding (1) and (3),

6x + y +(-4x - 4y) = 2 - 12

solving, we arrive at,

6x + y -4x - 4y = 2 - 12

Equation (1) of system B is 2x – 3y = – 10.

The answer to system A is now discovered.

Equation (2) is created by adding equation (1).

6x + y - x -y = 2 -3

5x = -1

Value of x in (2) yields,

The answer to system B is now discovered.

System B: 2x - 3y = -10... (4)

-x -y = -3 .....(5) (5)

By dividing equation (5) by 3, we get y=16/5

-3x -3y = -9 .......(6) (6)

Equation (6) is obtained by deducting equation (4).

2x - 3y-(-3x - 3y) = -10 +9

5x = -1

Using (5) as the value of x, we obtain x=-1/5

Therefore, the values of systems A and B are equal.

Thus, choice (C) is the right one.

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Answer:

They will have the same solution because the first equation of System B is obtained by adding the first equation of System A to 4 times the second equation of System A

The number of possible combinations is 330.

What is combination?

The definition of the combination is "An arrangement of objects where the order of the objects is irrelevant." Combining these two words indicates "Selection of things," where the order of the items is irrelevant.

The toppings for a pizza is pepperoni, pineapple, sausage, onions, frogs. peppers, ham, fish, olives, mushrooms, tomatoes.

The number of toppings is 11.

you choose exactly 4 toppings for a pizza.

Here r = 4

n = 11

The formula of combination rCn.

The number of possible combinations of a pizza is

₁₁C₄ = 11!/[4! (11-4)!]

₁₁C₄ = 11!/[4! 7!]

₁₁C₄ = 330

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Answer: The width that would maximize the area would be 475, and the square feet would be 475.

Step-by-step explanation: 950 divided by 2 is 475 which would divide each of the two sides of the fence, to acquire the amount needed.

The probability that the average length of a randomly selected bundle of steel rods is 0.165

Given population mean(μ)=109cm

standard deviation(σ)=1.6cm

sample size(n)=27

Let x represents the lengths of an individual rod then the z-score for

x can be given as:

z=x-μ/σ----------(1)

Also, the z score for the sample mean, x:

z=(¯x−μ)/σx

The standard error:

σ¯x=σ/√n-------------(2)

      =1.6/√27

       =1.6/5.196

σ¯x =0.3079

For a bundle of 27rods, the probability that the average length is between 109 cm and 108.7-cm:

considering m=108.7cm

P(n-m/σx)------------(3)

[tex]P(109 < x < 108.7)=P(\frac{109-108.7}{0.3079} )\\\\ P(109 < x < 108.7)=P(z < -0.974)\\[/tex]

                              =0.165.

And also find using another method:

P(z < (M - population mean)/(standard deviation/square root(sample size))

P(z < (108.7-109)/(1.6/sqrt(27)) = P(z < -0.974) = 0.165.

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By conducting mathematical operations, we know that John's gross pay will be $1,012 if he works 44 hours a week.

A mathematical "operation" is the process of calculating a value utilizing operands and a math operator.

The supplied operands or integers must adhere to a set of predefined rules that are connected to the symbol of the math operator.

The order of operations refers to the rules that specify how to solve an expression including many operations.

Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction are all referred to as PEMDAS (from left to right).

So, we know that:

John earns $22 per hour for the first 40 hours of a week.

After every additional hour, he earns 1.5 times $22 each hour.

22 * 1.5 = $33

So, John's gross pay if he worked 44 hours will be:

22*40 + 33*4

880 + 132

$1,012

Therefore, by conducting mathematical operations, we know that John's gross pay will be $1,012 if he works 44 hours a week.

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