Determine the indicated component or components of the vector. Round to an appropriate number of significant digits.Magnitude = 33.7, ? = 202.4°Find the horizontal and vertical components of V.
A. -31.2, 12.8
B. 31.2, -12.8
C. -31.2, -12.8
D. 31.2, 12.8
Answer: C
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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 fired with an initial speed of 591 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round your answer to the nearest tenth.
A. 8910.2 m B. 85.3 m C. 87,320.3 m D. 35,640.9 m
Find the volume of the sphere satisfying the given condition. Approximate values to the nearest tenth.radius = 2.5 cm
A. 36.8 cm3 B. 523.3 cm3 C. 26.2 cm3 D. 65.4 cm3
Multiply.(2a - 7b)(5a + 10b)
A. 10a2 - 15ab - 70b2 B. 10a2 - 15ab - 15b2 C. 10a2 + 20ab - 70b2 D. 10a2 - 35ab - 70b2
Find the vertex and axis of symmetry of the graph of the function.f(x) = -3x2 - 2x - 7
A. 
; x = - 
B. (3, -7); x = 3
C. 
; x = -3
D. 
; x = 