Find the root. Assume that variables represent nonnegative values.-
A. 5x3
B. -125x
C. 5x
D. -5x
Answer: C
You might also like to view...
Solve the equation.-2.1x = 24.57
A. 13.8 B. -9.6 C. -13.8 D. -11.7
Solve the problem.If a rock is thrown vertically upward from the top of a building 80 feet high with an initial velocity of 64 feet per second, the height, h, above ground level after t seconds is given by h = -16t2 + 64t + 80, where h is in feet and t is in seconds. How many seconds will it take the rock to hit the ground?
A. 1 sec B. 2 sec C. 5 sec D. 4 sec
Write the percent problem as an equation and solve.What percent of 50 is 12?
A. 54% B. 24% C. 27% D. 12%
Solve the problem.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the maximum safe speed for a curve in a road with a radius of curvature of 250 feet.
A. 25 mph B. 40 mph C. 10 mph D. 16 mph