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icang [17]
3 years ago
13

Please help asap 30 pts

Mathematics
2 answers:
dlinn [17]3 years ago
4 0
\text{The reciprocal of}\ a\ \text{is equal}\ \dfrac{1}{a}\\\\a^{-1}=\dfrac{1}{a}
\dfrac{10b}{2b+8}\to\left(\dfrac{10b}{2b+8}\right)^{-1}=\dfrac{2b+8}{10b}
\boxed{Answer:\ C.\ \dfrac{2b+8}{10b}}


sdas [7]3 years ago
3 0
Answer is C. because you flip the fraction upside down to find its reciprocal
((:
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The base of triangle is  \frac{8}{\sqrt{3}} \ m and the height of triangle is  \frac{12}{\sqrt{3}} \ m.

Step-by-step explanation:

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A triangle has a base of x 1/2 m and a height of x 3/4 m. If the area of the triangle is 16m to the power of 2.

Now, to find the base and height of the triangle.

The base of triangle = x\times\frac{1}{2} =\frac{x}{2} \ m.

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<em>Multiplying both sides by 16 we get:</em>

<em />256=3x^2<em />

<em>Dividing both sides by 3 we get:</em>

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<em>Using square root on both sides we get:</em>

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x=\frac{16}{\sqrt{3}}

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<em>So, the base of triangle = </em>\frac{8}{\sqrt{3}} \ m.<em />

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<em>Thus, the height of triangle =  </em>\frac{12}{\sqrt{3}} \ m.<em />

Therefore, the base of triangle is  \frac{8}{\sqrt{3}} \ m and the height of triangle is  \frac{12}{\sqrt{3}} \ m.

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