Solve.Wind resistance or atmospheric drag tends to slow down moving objects. Atmospheric drag varies jointly as an object's surface area A and velocity v. If a car traveling at a speed of 40 mph with a surface area of 35 ft2 experiences a drag of 168 N (Newtons), how fast must a car with 49 ft2 of surface area travel in order to experience a drag force of 388.08 N?
A. 63 mph
B. 68 mph
C. 71 mph
D. 66 mph
Answer: D
Mathematics
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Solve the problem.Find the volume generated by revolving the curve y = cos 2x about the x-axis, 0 ? x ? ?/24
A. 
+ 
B. 
+ 
C. 
+ 
D. 
Mathematics
{0.20x + 0.10y} = 2.40 y=-x
Solve for x and y
Mathematics
Given matrix A, find the indicated cofactor.Find A34.A = 
A. 144 B. 288 C. 0 D. -144
Mathematics
Solve the problem.Under certain conditions, the power P, in watts per hour, generated by a windmill with winds blowing v miles per hour is given by P(v) = 0.015v3. Find the power generated by 18-mph winds.
A. 0.00006075 watts per hour B. 58.32 watts per hour C. 4.86 watts per hour D. 87.48 watts per hour
Mathematics