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3241004551 [841]
4 years ago
8

Am I right ? Because I need help with this please thanks.

Mathematics
1 answer:
bazaltina [42]4 years ago
7 0

to find the hypotenuse (or the ramp in question 4) you can use the equation

a^{2} +b^{2} =c^{2}

with a and b being the 3 feet and 9 feet and c being the unknown (ramp).

So if you plug 3 and 9 into the equation, it looks like this.

3^{2} +9^{2} =c^{2}

then square them.

9+81=c^{2}

simplify.

90=c^{2}

take the square root of both sides.

\sqrt{90} = c

\sqrt{90} is approx. 9.5 so the answer would be H.

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If you would like to solve the system of equations 2x + y = -4 and y = 3x + 2, you can do this using the following steps:

<span>2x + y = -4
y = 3x + 2
</span>_________
<span>2x + y = -4
</span>2x + 3x + 2 = -4
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6 0
3 years ago
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7 0
4 years ago
What is one more than -5
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Need answer to finish test
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Step-by-step explanation:

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