3 years ago

Can someone please explain

Mathematics

1 answer:

Radda [10]3 years ago

5 0

A- could be a part and/or a percent

b- 32×25%=8, 32-8=24

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cluponka [151]

Soo what do you need help with? It seems pretty easy. I can help you if you want.

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2 years ago

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Make x the subject! urgent help

Serhud [2]

Answer:

$x = \frac{n}{b - {t}^{2} }$

Step-by-step explanation:

I supposed that is a "n".

Steps as below:

${t}^{2} = b - \frac{n}{x} \\ b - \frac{n}{x} = {t}^{2} \\ - \frac{n}{x} = {t}^{2} - b \\ \frac{n}{x} = - ( {t}^{2} - b) \\ \frac{n}{x} = b - {t}^{2} \\ n = x(b - {t}^{2} ) \\ x(b - {t}^{2} ) = n \\ x = \frac{n}{b - {t}^{2} }$

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1 year ago

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The area of a square rug is 64 ft.² what is the perimeter of the rug?

Slav-nsk [51]

Answer:

$32$ ${ft}^{2}$

Step-by-step explanation:

The area of a square rug = 64 ft²

First we will find the side of square rug = ${64}^{2} = {s}^{2}$

${s}^{2} = 8$

Perimeter of the rug = $4 \times 8$ $= 32$ ft²

<h3>Hope it is helpful...</h3>

4 0

2 years ago

The sum of the ages of Nicole and Rachel is 30. Currently Nicole is four years older than Rachel. How old is Rachel?

Lunna [17]

Rachel is 13. since Nicole is 17.
13+17=30

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Using the properties of absolute values, simplify the expression x×|x|, if it is known that:

Westkost [7]

Answer:

x ≥ 0: x|x| = x²
x < 0: x|x| = -x²

Step-by-step explanation:

|x| = x

x|x| = x(x) = x²

|x| = -x

x|x| = x(-x) = -x²

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2 years ago