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Furkat [3]
3 years ago
6

Can someone help me I need it asap

Mathematics
1 answer:
Bad White [126]3 years ago
8 0

the answer is A, the first option

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A rectangular swimming pool is twice as long as it is wide. A small concrete sidewalk surrounds the pool and is a constant 2 fee
Naddika [18.5K]

Answer:

The dimensions of the pool are:

Width: 8.944 feet

Length: 17.888 feet

Step-by-step explanation:

From Geometry, the area of a rectangle (A), measured in square feet, is determined by the following equations:

A = w\cdot l (1)

Where:

w - Width, measured in feet.

l - Length, measured in feet.

If we know that w = x, l = 2\cdot x and A = 160\,ft^{2}, then we get the following second order polynomial:

2\cdot x^{2}-160 = 0 (1)

And we solve the expression for x:

2\cdot x^{2} = 160

x^{2} = 80

x = \sqrt{80}\,ft

x \approx 8.944\,ft

Then, the dimensions of the pool are, respectively:

w \approx 8.944\,ft and l \approx 17.888\,ft

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B13%5E%7B2%7D%20%7D%20-12%5E%7B2%7D" id="TexFormula1" title="\sqrt{13^{2} } -12^{2}"
ankoles [38]
Simplify the radical, then combine the numbers.
-131
4 0
3 years ago
Question 20 need an answerw
max2010maxim [7]
Which one is question 20??
8 0
3 years ago
Help please due soon
mestny [16]
The think the answer is c
7 0
3 years ago
Complete the square and write in function form f(x)=x^2+5x+3
Over [174]
F(x) = x^2 +5x + 3

     = (x + 2.5)^2 - 6.25 + 3

     = (x + 2.5)^2 - 3.25

That is vertex form. I am not sure what you mean by function form
6 0
3 years ago
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