Answer:
78.57
Step-by-step explanation:
Radius is 5 feet
Area of circle is pi*r Squared
22/7*5*5
78.57 square feet
Answer:
4. A
5. B
Step-by-step explanation:
4. I'll solve question four first:
The two marked points on the line are (-2, -3)&(2, 5). Using the formula to find slope(y2-y1/x2-x1), substitute in the points.
5--3/2--2 or 8/4;simplified to 2/1 or 2.
Now use point-slope form: y-y1 = m(x-x1)
y--3 = 2(x--2): Substitute in the values of y1, m, and x1.
y+3 = 2x + 4: Distribute.
y = 2x + 1: Subtract three from both sides.
5. Do the same for question 5.
The first point is (-4, 2), the second point is (4, -1).
-1-2/4--4; -3/8.
Now use point-slope form:
y-2 = -3/8x -12/8: Substitute in the values of x1, y1, m, and distribute the slope to the parentheses.
y = -3/8x + 1/2
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➷ It would be -5s^3 + 2s^2 - s - 9
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Answer: + + + 2
Step-by-step explanation:
f(x) = - 4x + 2
g(x) = + 2
To find fg(x) , we have
fg(x) = f( + 2 )
The next thing is that , we will substitute + 2 for the value of x in f(x) , so we have:
- 4( + 2) + 2
which will give
+ + + 2
Therefore :
fg(x) = + + + 2