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01.04.2020 •
Mathematics
Find the area of a circle with a radius of 3
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Ответ:
Step-by-step explanation:
So to find the area of a circle, you have to use this formula:
A = 3.14r^2
So just plug everything in like this:
A = 3.14 * 3^2
Then solve
A = 3.14 * 9
Area is = 28.26 units^2
Ответ:
28.27
Step-by-step explanation: first multiply the radius by itself 3 times 3 = 9
then take 9 and multiply it by 3.14 which is 28.27
hope this helps mark me brainliest
Ответ:
y-intercept (0, -47/8)
Step-by-step explanation:
Point slope equation form:
y + 7 = -1/8(x - 9)
y + 7 = -1/8 x + 9/8
y = -1/8 x + 9/8 - 56/8
y = -1/8 x - 47/8
y = mx + b where m=slope and b = y intercept
In this case, y intercept = -47/8
y-intercept (0, -47/8)