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2 years ago

I need the answer from the question

Mathematics

1 answer:

alexdok [17]2 years ago

3 0

Answer:

Step-by-step explanation:

Hope this helps :)

Have a great day!

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The cost of a pair of boots at a certain store is 145% of the cost of a pair of sneakers. The pair of sneakers costs $21.

Vilka [71]

Answer:

so $21+45%=30.45. meaning that pair of boots cost 30.45 so two pairs of boots would cost $60.90

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3 years ago

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I need help on number 4. Please help me!

Andreas93 [3]

S= R- 1/3R

The first problem s=18 r-= 6
This is how it works

Use S-= R-1/3R
12= 18-1/3(18)
12= 18-6
12=12

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3 years ago

What is the value of the rational expression below when x is equal to 4

Zanzabum

$\displaystyle \frac{4+20}{4+4}= \frac{24}{8}=3$

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3 years ago

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A storage space in a basement is in the shape of a rectangular prisim. The hieght of the storage space is 5 feet. The length is

Greeley [361]

Answer:

length is 28.86ft

width= 4.12ft

Step-by-step explanation:

<h2>This problem bothers on the mensuration of solid shapes, a rectangular prism.</h2>

The storage space takes the shape of a rectangular prism, and we are required to find the width and length of the storage space.

let the width of the basement be "w"

Given data

volume v= $595ft^{3}$

length l = $7w ft$

width w= $w$

height h= $5 ft$

We know that the expression for the volume of a rectangular prism is

$volume= length * width* height$

substituting our data we have to find "w"

$595= 7w*w*5\\595=7w^{2}*5\\ 595= 35w^{2} \\$

dividing both sides by 35 we have

$w^{2}= \frac{595}{35\\} \\w^{2}= 17\\$

find the square root of both sides we have

$w=\sqrt{17} \\w= 4.12$

since we know that length= 7w and width = w , we can substitute our value for w and find the length and width

$length= 7*4.12= 28.86ft\\width = 4.12ft$

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4 years ago

The difference between two numbers is 16. Three times the larger number is seven times the smaller. What are the numbers?

slavikrds [6]

Answer:

12 and 28

Step-by-step explanation:

Represent the numbers using x and y. Then y - x = 16. (y is the larger one.)

Then 3y = 7x, and y = (7/3)x.

Substituting (7/3)x for y in y - x = 16, we get:

(7/3)x - x = 16.

Eliminate the fraction by multiplying all three terms by 3:

7x - 3x = 48, or 4x = 48, yielding x = 12. Then y = (7/3)(12) = 28.

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3 years ago