Solve the problem.What is the minimum force required to prevent a ball weighing 29.8 lb from rolling down a ramp inclined 32.6° with the horizontal?
A. 8.1 lb
B. 16.1 lb
C. 25.1 lb
D. 12.6 lb
Answer: B
Mathematics
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Evaluate the expression by hand.324/5
A. 512 B. 16 C. 256 D. 128
Mathematics
Write the name of the metric unit of measurement described.100 times a gram
A. dekagram B. centigram C. hectogram D. kilogram
Mathematics
Solve the problem.Find the y-coordinate of the point on the line and with x-coordinate 4.
A. -2 B. 4 C. 1 D. -4
Mathematics
Factor the sum or difference of cubes.8b5 - 64b2
A. 8(b3 + 2)(b2 + 2b - 4) B. 8b2(8b - 2)(b2 - 2b + 4) C. 8b2(b - 2)(b2 + 2b + 4) D. 8b2(b + 2)(b2 - 2b + 4)
Mathematics