Kristen spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of then how many of each kind did she buy?

Answers

Answer 1
Answer: There would be two fancy shirts and five plain shirts because 28 times 2 equals 56 and 7 minus 2 equals 5 so 15 times 5 equals 75 and 75 plus 56 equals 131

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168 newspaper per week equal newspaper per hour ?

Answers

Final answer:

To calculate the number of newspapers per hour, divide the total number of newspapers in a week by the number of hours in a week.

Explanation:

To calculate the number of newspapers per hour, we need to know the number of hours in a week. There are 24 hours in a day and 7 days in a week, so there are 24 x 7 = 168 hours in a week. To find the number of newspapers per hour, we divide the total number of newspapers in a week by the number of hours in a week. In this case, 168 newspapers divided by 168 hours will give us 1 newspaper per hour.

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1. The concession stand is selling hot dogs and hamburgers during a game. At halftime, they sold a total of 78 hot dogs and hamburgers and brought in $105.50. how many of each item did they sell if hamburgers sold for $1.50 and hot dogs sold for $1.25?

Answers

46 hotdogs ang 32 hamburgers

Please help me with this question

Answers

Here, 3/8 * 3/8 = 9/64

In short, Your Answer would be: 9/64

Hope this helps!
7 1/8 is you answer.

Hope this helped!!

The volume of a rectangular prism is represented by the function x3 + 11x2 + 20x – 32. The width of the box is x – 1 while the height is x + 8. Find the expression representing the length of the box

Answers

The length of the rectangular prism obtained by finding the quotient of the volume divided by the product of height and width. Hence, the length of the box is x + 4

The volume of a rectangular prism is given calculated using the formula :

Volume = Length × width × height

  • Width = x - 1
  • Height = x + 8
  • Volume = x³ + 11x² + 20x – 32.

From the formula :

Length = \frac{volume} {width * height}

Width × height = (x - 1)(x + 8)

(x - 1)(x + 8) = x² + 8x - x - 8

= x² + 7x - 8

  • Divisor = x² + 7x - 8
  • Dividend=x³ + 11x² + 20x – 32

Using long divison :

______ | x + 4

______ | _______________

x²+7x-8 | x³ + 11x² + 20x – 32

______ | x³ + 7x² - 8x

-______| ___ 4x²+28x

___________4x²+28x - 32

-___________0__0 ___0

Therefore, the quotient, which is the value of the length of the rectangular prism ls x+ 4

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we know that

the volume of a rectangular prism is equal to

V=L*W*H

where

L is the length of the box

W is the width of the box

H is is the height of the box

in this problem we have

V=x^(3\ )+11x^2+20x-32

W=x-1

H=x+8

L=?

Find the length of the box

Using a graph tool-------> we will determine the roots of the equation of volume

see the attached figure

the roots are

x=-8\nx=-4\n x=1

so

x^(3\ )+11x^2+20x-32=(x+8)*(x+4)*(x-1)

therefore

the answer is

the length of the box is equal to (x+4)

A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?

Answers

I believe it would be 12, I believe this because its states that it is TWICE as long therefore is made from the same metal so 6x2=12 

(5x+6) over 2 = 3 (4x+12)

Answers

x= -66/19

Multiply 2 on both sides:

2*(5x+6)/2=3(4x+12)*2

Simplify:

5x+6=24x+72

Subtract 6 from both sides:

5x+6-6=24x+72-6

Simplify:

5x=24x+66

Subtract 24x from both sides:

5x-24x=24x+66-24x

Simplify:

-19x=66

Divide both sides by -19

-19x/-19=66/-19

Simplify:

x= -66/19