Solve.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 176.4 meters before it hits the ground, find the time it took for the object to fall.
A. 9 seconds
B. 6 seconds
C. 7 seconds
D. 36 seconds
Answer: B
Mathematics
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Solve the problem.Rewrite the integral 
in the order 
.
A. 
B. 
C. 
D. 
Mathematics
Add. Write the answer in lowest terms.
A. 26
B. 27
C. 25
D. 26
Mathematics
Find the focus and directrix of the parabola with the given equation.x2 = 32y
A. Focus: (0, -8), directrix: y = 8 B. Focus: (8, 0), directrix: x = -8 C. Focus: (0, 8), directrix: y = -8 D. Focus: (-8, 0), directrix: x = 8
Mathematics
Find the y-intercept of the polynomial function.f(x) = 7x - x3
A. -1 B. 7 C. -7 D. 0
Mathematics