Write an equation to describe the variation. Use k for the constant of proportionality.t varies inversely as b
A. t = 
B. b = 
C. b = kt
D. t = 
Answer: A
Mathematics
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For what values of x does the series converge conditionally?
A. x = 0
B. x = - 
C. x = 
D. None
Mathematics
Solve the system to the nearest 0.1 for each variable by using a graphing calculator.4x = 3y - 2-16x + 12y = 8
A. x = -2.0, y = 1.5 B. x = -0.5, y = 0.7 C. Dependent D. Inconsistent
Mathematics
Provide an appropriate response.If r(t) is the rate of change of sales, then 
isi) the total sales up to time b.ii)the total sales from time a to time b.iii) the change in sales at any time.
A. Only ii is correct. B. Only iii is correct. C. Both i and ii could be correct. D. Only i is correct.
Mathematics
Factor by grouping. If prime, so state.12x2 - 8xy + 15x - 10y
A. (4x + 5)(3x - 2y) B. (4x - 5y)(3x + 2) C. (12x - 5)(y + 2) D. (12x + 5)(xy - 2)
Mathematics