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2 years ago

11

A swimming pool is 20 feet wide and 40 feet long. If it is surrounded by a walkway of square tiles, each is 1 foot by 1 foot, ho

w much area do the pool and walkway cover?

1 answer:

Lena [83]2 years ago

5 0

Answer:

124 tiles

Step-by-step explanation:

2(20+40)

2(60)

120+4=124

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Read 2 more answers

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lys-0071 [83]

Answer:

Hence the expression $(10a-b)(3a-4)=30a^2-3ab-40a+4b$

Step-by-step explanation:

Explanation

The given expression is (10a-b)(3 a-4).
We have to multiply the given expression.
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$\begin{matrix}{} & {} & {} & {} & 10a & - & b \\ \times & {} & {} & {} & 3a & - & 4 \\ \end{matrix}$

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2 years ago

Please do this right fast. Just do 8-9

Rina8888 [55]

Answer:

-1

Step-by-step explanation:

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