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irina [24]
3 years ago
7

Why can't you use the product of powers rule to simplify this expression? Explain. 3^4.2^8

Mathematics
1 answer:
Tema [17]3 years ago
3 0

Answer:

Because the base of this expression is not same.

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The sides of the rectangle are in the ratio of 4:7. If its length is 31.5 in., find the width, the perimeter, and the area of th
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Let \ell the length and w the width. By the ratio of the sides:

\dfrac{w}{\ell}=\dfrac{4}{7}\Longrightarrow \dfrac{w}{31.5}=\dfrac{4}{7}\Longrightarrow w=\dfrac{4\cdot31.5}{7}\Longrightarrow \boxed{w=18~in.}

Now, we'll find the perimeter p. We'll use the formula below:

p=2(\ell+w)\\\\
p=2(31.5+18)\\\\
p=2\cdot49.5\\\\
\boxed{p=99~in.}

The area of a rectangle is S=w\cdot\ell. Then:

S=w\cdot\ell\\\\
S=18\cdot31.5\\\\
\boxed{S=567~in.^2}
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at a restaurant the ratio of kids meal sold to adults meals sold was 5:4 if there were 20 kids meals sold what is the combined a
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