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yKpoI14uk [10]
3 years ago
12

Mrs drew wants to build a square sandbox with an area of 169 square feet. What is the total length of wood mrs. Drew needs to ma

ke the sides of the​ sandbox
Mathematics
1 answer:
Bezzdna [24]3 years ago
7 0

Area of sandbox = 169 square feet

Area of square with side 'x' is given by the formula = x^2

We have to determine the total length of wood Drew needs to make the sides of the​ sandbox.

Total length of wood required would be equal to perimeter of sandbox.

Let 'a' be the side of the square sandbox.

So, Area of sandbox = 169

a^2 = 169

a = \sqr{169}

a = 13 feet

Total length of wood required to make sides of the sandbox = Perimeter of the square sandbox = 4 \times a

= 4 \times 13

= 52 feet.

Therefore, 52 feet of wood is required to make the sides of the square sandbox.


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Let's take these one at a time.
A
The A choice is that the y intercept of g(x) < y intercept of f(x). Remember, a y intercept occurs when x = 0
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=======
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A: True <<<<<< answer for A.

B
y intercept  occurs when x = 0 The values of f(x) and g(x) have been found in part A.

Are they equal?

The y intercept of g(x) = g(0) = 2*sqrt(0) - 8 = - 8
The y intercept of f(x) = f(x)  = - 4 when x = 0 

Conclusion
They are not equal and B is not the answer.

C
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g(x) = 0 
0 = 2*sqrt(x) - 8
8 = 2*sqrt(x)
4 = sqrt(x)
x = 16
======
When f(x) = 0, x = 16.

Conclusion
The x intercepts are both 16. This statement is true.
C: True <<<<<< answer.

D
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D <<<<<< False.
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