Solve the problem.As part of an experiment to test different liquid fertilizers, a sprinkler has to be set to cover an area of 110 square yards in the shape of a sector of a circle of radius 30 yards. Through what angle should the sprinkler be set to rotate? If necessary, round the answer to two decimal places.
A. 10.51°
B. 44°
C. 14.01°
D. 7°
Answer: C
Mathematics
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Set up an integral for the length of the curve.x = y2 + 7y, 0 ? y ? 7
A. 
B. 
C. 
D. 
Mathematics
Find y '.y = (5x3 + 4)(2x7 - 7)
A. 100x9 + 56x6 - 105x2 B. 20x9 + 56x6 - 105x C. 20x9 + 56x6 - 105x2 D. 100x9 + 56x6 - 105x
Mathematics
Determine all solutions of the equation in radians.Find cos 
, given that sin ? = 
and ? terminates in 0 < ? < 90°.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.A toy rocket is launched straight up from the roof of a garage with an initial velocity of 80 feet per second. The height h of the rocket in feet t seconds after it was thrown is described by the function h(t) = -16t2 + 80t + 16. Use a graphing calculator to graph the function.
What will be an ideal response?
Mathematics