Write an equation that expresses the relationship. Use k as the constant of variation.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 5?
A. The weight is multiplied by 25
B. The weight is multiplied by 5
C. The weight is divided by 5
D. The weight is divided by 25
Answer: D
Mathematics
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- 4xy = 8x; y = 3 when x = 0
A. y = 2 + 3ex2 B. y = -1 + 4ex2 C. y = -2 + 5e-x2 D. y = -2 + 5ex2
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Determine if the given integer value for the variable is a solution to the equation.6k + 6 = 2k + 34; 7
A. Yes B. No
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Find the domain of the logarithmic function.f(x) = log (x2 - 13x + 36)
A. (-?, -4) B. (-?, 4) ? (9, ?) C. (9, ?) D. (-4, 9)
Mathematics
Find the effective rate of interest.10.5% compounded quarterly
A. 10.705% B. 10.623% C. 10.921% D. 11.405%
Mathematics