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. 1 lb
B. 3 lb
C. 2 lb
D. 4 lb
Answer: A
Mathematics
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Solve.A mechanic is taking inventory of brake fluid in stock. He has 17 gallons of DOT 3 brake fluid, 28 gallons of DOT 4 brake fluid, and 42 gallons of DOT 5 brake fluid. How many total gallons of brake fluid does he have in stock?
A. 87 gallons B. 84 gallons C. 92 gallons D. 89 gallons
Mathematics
Complete the ordered pair for the equation.y = -x + 8(3, )
A. (3, -5) B. (3, 3) C. (3, 15) D. (3, 5)
Mathematics
Rewrite in logarithmic form.ex = 7
A. ln x = 7 B. ln 7 = x C. log 7 = x D. log x = 7
Mathematics
Use the information given in the figure.
How many are in B or C?
A. 48 B. 54 C. 3 D. 56
Mathematics