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yaroslaw [1]
3 years ago
5

PLEASE HELP PLEASE HELP!!!!!!

Mathematics
1 answer:
statuscvo [17]3 years ago
7 0

Calm down.

The area of a circle is defined by the following formula:

A=\pi r^2

where π is a constant roughly equal to 3.1415 and r is the radius of the circle.

The radius is given as *4 ft*, so just plug it into the formula.

A=\pi (4)^2\\\\A=16\pi = 50.2655  ft^2

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Answer:

C

Step-by-step explanation:

The slope intercept of a line is y=mx +b where

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This graph crosses the y-axis (the vertical line) halfway between -1 and -2. This  is -3/2. This means only answers a, c, and d are options.

The graph moves up from -3/2 to its next point at (-4,0). We calculate the slope using:

Slope:m=\frac{y_2-y_1}{x_2-x_1}

We substitute x_1=0\\y_1=-1.5 and x_2=-4\\y_2=2

m=\frac{2-(-1.5)}{-4-0}

m=\frac{2+1.5}{-4}=\frac{3.5}{-4} =-0.875

This decimal is equivalent to -7/8. This means C is the answer.



8 0
3 years ago
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dalvyx [7]

Answer:

the answer would be negative, because when you subtract -3-9 you get -12

Hope I helped :)

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