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seraphim [82]
3 years ago
5

Help pls I'm confused

Mathematics
2 answers:
Trava [24]3 years ago
4 0

Answer:

Sorry this took so long, hope this helps

also the "a^2" is meant to mean this "a^{2} "

Step-by-step explanation:

1) a^2+b^2=c^2

4^2+3^2=c^2

16+9=c^2

25=c^2

\sqrt{25}=c

5=c

2) a^2+b^2=c^2

15^2+8^2=c^2

225+64=c^2

289=c^2

\sqrt{225=c

15=c

3)a^2+b^2=c^2

10^2+50^2=c^2

100+2500=c^2

2600=c^2

\sqrt{2600}=c

50.99≈c

4) a= \sqrt{c^2-b^2}

a=\sqrt{15^2-12^2

a=\sqrt{225-144}

a=\sqrt{81}

a=9

SashulF [63]3 years ago
3 0

Answer:

Step-by-step explanation:

Pythagorean theorem

Is a^2 + b^2 = C^2

A can be the base

B can be the height

C is the hypotenuse which is the side opposite the right angle

Is that what you don’t understand or?

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Step-by-step explanation:

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A lunch box costs $4.50 plus sales tax. After sales tax, the lunch box is $4.86. What is the sales tax rate?
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8 percent (C)

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Step-by-step explanation:

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Step-by-step explanation:

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