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3 years ago

Given APWVS~HDTFY, what is HD?

Mathematics

2 answers:

sweet [91]3 years ago

7 0

kirsten gots this lol

Jlenok [28]3 years ago

7 0

Answer: HD = 15

Explaination: If APWVS is similar to HDTFY, we can start out by finding the scale. Given PW and DT are similar, and we have both of their measurments, we can find the scale. 21/35= .6, so this is the scale. Since we have AP is similar to HD and we know that HDTFY is .6 the size of APWVS, we can just multiply 25 by .6. This gets you 15, the length of HD.

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KengaRu [80]

Do a proportion
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Cross multiply and divide
800 divided by 40= 20
So answer is 20

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3 years ago

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Step-by-step explanation:

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2 years ago

A rectangle swimming pool is 8 feet deep. One side of the pool is 4.5 times longer than the other. The amount of water needed fo

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The side lengths of the pool 10 ft and 45 ft.

<u>SOLUTION: </u>

Given, a rectangle swimming pool is 8 feet deep.

One side of the pool is 4.5 times longer than the other.

Let the length of pool be n feet, the width will be 4.5n feet

The amount of water needed for the swimming pool is 3600 cubic ft

We have to find the dimensions of the pool. Now, we know that,

$\begin{array}{l}{\text {volume of pool}=\text {depth} \times \text {length } \times \text {width}} \\\\ {\rightarrow 3600 \text { cubic } f t=8 \text { feet } \times \text { n feet } \times(4.5 n) \text { feet }} \\\\ {\rightarrow 8 n \times 4.5 n=3600} \\\\ {\rightarrow 36 n^{2}=3600} \\\\ {\rightarrow n^{2}=100}\end{array}$

On taking square root on both sides we get,

$\begin{array}{l}{\rightarrow\sqrt{n^{2}}=\sqrt{100}} \\\\ {\rightarrow n=10 \mathrm{ft}}\end{array}$

So, the width will be $4.5 n=4.5 \times 10=45 \mathrm{ft}$

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3 years ago

The number 72 is between what two perfect squares? Enter a numerical answer only.

jasenka [17]

Well a perfect square looks like this:

6 x 6
2 x 2

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One product has to be above 72, and the other below it.

So lets multiply.

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maria [59]

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