Solve the problem.The path of a projectile fired at an inclination ? to the horizontal with an initial speed vo is a parabola. The range R of the projectile, the horizontal distance that the projectile travels, is found by the formula
where
feet per second per second or
meters per second per second. Find the range of a projectile fired with an initial velocity of 109 feet per second at an angle of
src="https://sciemce.com/media/4/ppg__ttt0529191026__f1q91g4.jpg" alt="" style="vertical-align: -4.0px;" /> to the horizontal. Round your answer to two decimal places.
A. 290.66 ft
B. 323.50 ft
C. 161.75 ft
D. 290.76 ft
Answer: D
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A. 8 in. B. 12 in. C. 2 in. D. 10 in.
Use the counting principle to obtain the answer.A sports shop sold tennis rackets in 4 different weights, 3 types of string, and 3 grip sizes. How many different rackets could they sell?
A. 10 B. 48 C. 21 D. 36
Solve the system of equations. If the system is dependent, express solutions in terms of the parameter z.-7x + 2y - 6z = 15-4x + y - 6z = 10
A.
B.
C.
D.
Find the phase shift of the function.y = 5 cos
A. units to the right
B. ? units to the left
C. 5? units to the right
D. units to the left