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xxTIMURxx [149]
3 years ago
13

1) Which expression is equivalent to 8x - 2y + x + x

Mathematics
1 answer:
andrey2020 [161]3 years ago
5 0

Step-by-step explanation:

8x - 2y + x + x

8x - 2y + 2x

10x - 2y

D 10x - 2y

So D Option is the correct answer

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Someone help me with my math homework pleaseee. Find the volumes of the pyramids and the height is 7cm for the first one.
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\bf \textit{volume of a pyramid}\\\\
V=\cfrac{1}{3}Bh\qquad 
\begin{cases}
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h=height
\end{cases}

now, the first one, on the far-left.... can't see the height.. but I gather you do, now as far as its Base area, well, the bottom is just a 12x12 square, so the area of its base is just 12*12


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\bf \textit{area of a regular polygon}\\\\
A=\cfrac{1}{4}ns^2cot\left( \frac{180}{n} \right)\qquad 
\begin{cases}
n=\textit{number of sides}\\
s=\textit{length of one side}\\
\frac{180}{n}=\textit{angle in degrees}\\
----------\\
n=6\\
s=6
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5 0
3 years ago
Zachary bought 8.25 pounds of red, white, and blue candies for his Fourth of July party. If 2.5 pounds of the candies are red, a
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