Find the value of the indicated variable for the values given.d = rt; determine r when t = 5 and d = 40
A. 45
B. 35
C. 0.1
D. 8
Answer: D
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Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 10; d = 2an = ?; a16 = ?
A. an = 10 + 2n; a16 = 40 B. an = 8 + 2n; a16 = 28 C. an = 8 - 2n; a16 = 40 D. an = 8 + 2n; a16 = 40
Solve the problem. Round your answer to the nearest whole number, if necessary.The function f(t) = -0.2t2 + 8t approximates the average number of digits that participants in a memorization experiment were able to recall after t minutes. Find the number of digits recalled after 8 minutes.
A. 31 digits B. 71 digits C. 51 digits D. 91 digits
Translate into an equation. Do not solve the equation.Forty-eight divided by what number is equal to three?
A. 
= 3
B. 48x = 3
C. 48 - x = 3
D. 
= 48