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True [87]
3 years ago
7

192.5=1/2(26+12.5)h. What is the unknown measure

Mathematics
1 answer:
hram777 [196]3 years ago
8 0

\bf \textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} a,b=\stackrel{bases}{parallel~sides}\\ h=height\\[-0.5em] \hrulefill\\ a=12.5\\ b=26\\ A=192.5 \end{cases}\implies 192.5=\cfrac{h(12.5+26)}{2} \\\\\\ 385=h(12.5+26)\implies 385=38.5h\implies \cfrac{385}{38.5}=h\implies 10=h

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Answer:

C

Step-by-step explanation:

4x + 3 = x + 3x + 5

4x + 3 = 4x + 5 //-4x on both sides

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3 years ago
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blsea [12.9K]

Answer:

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Step-by-step explanation:

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3 years ago
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