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3 years ago

11

Mr. Matthews increased the amount of weight he lifted each morning from 80 to 90 pounds. By what percentage did Mr. Matthews inc

rease the amount of weight he lifted?

2 answers:

zepelin [54]3 years ago

3 0

10%

This is because mr Matthews added only 10% to the 80 pounds

katen-ka-za [31]3 years ago

3 0

Answer:

Mr. Matthews's weight increased by 12.5 percent.

Step-by-step explanation:

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Step-by-step explanation:

Given:

If side A is twice as long as B and C is 25 using the Pythagorean Theorem.

Now, to find the lengths of side A and B.

Let the side B be $x.$

So, the side A be $2x.$

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Now, to solve by using Pythagorean Theorem:

A² + B² = C²

$(2x)^2+(x)^2=(25)^2$

$4x^2+x^2=625$

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<em>Dividing both sides by 5 we get:</em>

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<u>B rounding to the nearest tenth = 11.9.</u>

Now, to get A by substituting the value of $x$ :

$2x\\=2\times 11.18\\=22.36.$

<u>A rounding to the nearest tenth = 22.4.</u>

Therefore, the lengths of side A is 22.4 and B is 11.9.

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Step-by-step explanation:

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