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IgorC [24]
2 years ago
7

Find the surface area. ​

Mathematics
1 answer:
Marysya12 [62]2 years ago
8 0

let's notice, this is a Cube, namely all equal sides, and mind you it has 6 sides, Check the picture below.

\stackrel{\textit{area of all 6 sides}}{6(9\cdot 9)\implies 486}

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3 years ago
Samuel and Christopher go to the movie theater and purchase refreshments for their friends. Samuel spends a total of $34.00 on 6
Llana [10]

Answer:

The system of equations is :

6 p + 4 d = 34

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Step-by-step explanation:

Assume that the price of one bag of popcorn is $p and the price of a drink is $d

∵ Samuel spends a total of $34 on 6 bags of popcorn and

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- Multiply p by 6 and d by 4, then add the products and equate

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The system of equations is :

6 p + 4 d = 34

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3 years ago
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