Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 60 m
B. ? 230 m
C. ? 290 m
D. ? 185 m
Answer: D
Mathematics
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Solve the problem.Find the center of mass of a tetrahedron of density 
bounded by the coordinate planes and the plane 
.
A. 
= 
, 
= 
, 
= 
B. 
= 
, 
= 
, 
= 
C. 
= 
, 
= 
, 
= 
D. 
= 
, 
= 
, 
= 
Mathematics
Factor.64x2 - 48x + 9
A. (8x - 3)2 B. (8x - 3)(8x + 3) C. (64x + 1)(x + 9) D. (8x + 3)2
Mathematics
Find the linear approximating polynomial for the function centered at a.f(x) = x + 
, a = 4
A. L(x) = 
x + 
B. L(x) = 
x + 
C. L(x) = 
x + 
D. L(x) = 
x + 
Mathematics
1/4 cup = ? T
A. 6T B. 2T C. 2T D. 4T
Mathematics