Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 2 lb
B. 4 lb
C. 1 lb
D. 3 lb
Answer: C
Mathematics
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Determine an expression for the instantaneous velocity of an object moving with rectilinear motion according to the function given, if s represents displacement in terms of time.s = 6t4 - 7t2 - 10t + 3
A. 6t3 - 7t - 10 B. 0 C. 24t3 - 14t - 10 D. 72t2 - 14
Mathematics
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.
(8 + 
)
A. 8
+ 2
B. 8
+ 2
C. 10
D. 8
+ 
Mathematics
Factor.512y3 + 1
A. (8y + 1)(64y2 - 8y + 1) B. (8y - 1)(64y2 + 8y + 1) C. (512y + 1)(y2 - 8y + 1) D. (8y + 1)(64y2 + 1)
Mathematics
Write the decimal in words.0.84
A. Eighty-four hundredths B. Eighty-four thousandths C. Eighty-four ten-thousandths D. Eighty-four tenths
Mathematics