Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.82x = 3.9
A. {0.33}
B. {1.31}
C. {1.30}
D. {0.25}
Answer: A
Mathematics
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Find dy/dt.y = 4t(2t + 5)3
A. 4(2t + 5)2 B. 4(2t + 5)3(5t + 5) C. 4(2t + 5)2(8t + 5) D. 4(8t + 5)2
Mathematics
Solve the problem.Melanie deposits $250 each month in an ordinary annuity to save for a trip to Europe. If the annuity pays a monthly rate of 
how much will she be able to save in 4 years?
A. $2573.84 B. $13,858.75 C. $6432.80 D. $8790.65
Mathematics
Solve the equation.
= y + 4
A. {-1} B. {3} C. {7} D. {-3}
Mathematics
Find the area of the sector formed by central angle ? = 10° in a circle of radius r = 4 m. ? If the answer needs rounding, round it to three significant digits. ? A = __________ m2
What will be an ideal response?
Mathematics