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3 years ago

9

A square swimming pool has a cement sidewalk around it. The sidewalk is the same width all the way around. The outside perimeter

of the sidewalk is 80 feet. What is the width of the sidewalk if the area of the pool is 225 square feet?

1 answer:

forsale [732]3 years ago

7 0

I’m pretty sure u just have to subtract 225-80

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Need help again ! On this one

PSYCHO15rus [73]

Answer:

2w + 50 + 2w = 150

w = 25

Good luck

8 0

3 years ago

A) 2(x+3)=x-4 <br>Could anyone help?

oee [108]

If solving for x you will first need to combine like terms. Then after getting the amount of numbers and amount of x numbers you will divide the x number from both. After doing that you would get X=-10

7 0

2 years ago

How do you know when a sequence is arithmetic vs. geometric?

stellarik [79]

Answer:

An arithmetic sequence is a sequence with the difference or pattern between two consecutive terms constant.

A geometric sequence is a sequence with a ratio between two consecutive terms constant.

8 0

3 years ago

Prove algebraically that 0.5 recurring = 5/9

weeeeeb [17]

Answer:

see explanation

Step-by-step explanation:

We require 2 equations with the recurring part after the decimal point.

Let x = 0.555..... → (1)

Multiply both sides by 10, then

10x = 5.555..... → (2)

Subtract (1) from (2) thus eliminating the recurring decimal

(10x - x) = (5.5555 - 0.5555 ), that is

9x = 5 ( divide both sides by 9 )

x = $\frac{5}{9}$

5 0

2 years ago

Look at this graph:

andreev551 [17]

Answer:

The slope is 2/1.

Step-by-step explanation:

y2 - y1 /x2 - x1

6 - 4/ 2 - 1

2/1

8 0

3 years ago