3 years ago

Please help (. Square root and the Pythagorean theorem

Mathematics

2 answers:

lora16 [44]3 years ago

5 0

Answer:

a²=15²-9²

a²=225-81

a²=144

a=12

natta225 [31]3 years ago

3 0

“a” = 12 when using the pythagorean theorem.

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3 years ago

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Shkiper50 [21]

Answer:

infinite

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2 years ago

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PLEASE ANSWER NOW

Brums [2.3K]

Answer:

15 scores are less than 90

Step-by-step explanation:

Total 11 scores are less than 90 not 15

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1 year ago

21 is what percent of 40

-Dominant- [34]

To solve for this, set up a proportion.
21/40 = x/100.
Cross multiply the fraction's numerators with the denominators;
21 x 100, 40 and x.
2100/40x.
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2100/40 = 52.5
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I hope this helps!

5 0

3 years ago

Simplified form please help thank you

Agata [3.3K]

$\dfrac{5^2}{2^{-2}}=5^2\cdot2^2=(5\cdot2)^2=10^2=100$

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2 years ago