Solve.When a principal P earns an annual interest rate r compounded yearly, the amount A after t years is A = P(1 + r)t. How long will it take for a principal to double at 8% compounded annually? Round to the nearest whole year.
A. t ? 10 years
B. t ? 9 years
C. t ? 5 years
D. t ? 8 years
Answer: B
You might also like to view...
Identify the rules of algebra illustrated from left to right by the following statement. (z? - 7) + 7 = z + (-7 + 7) = z + 0 = z
A. commutative property of addition; additive inverse property; additive identity property B. associative property of addition; additive inverse property; additive identity property C. commutative property of addition; additive identity property; additive inverse property D. associative property of addition; additive identity property; additive inverse property E. distributive property; additive identity property; additive inverse property
Solve.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain dry road is 0.88 and a car was traveling on it at a rate of 
how far will the car skid? (Round to the nearest foot.)
A. 422 ft B. 53 ft C. 61 ft D. 32 ft
Use a graphing calculator to determine the x-intercepts.f(x) = 6x2 - 17x - 3
A. 
, (3, 0)
B. (-6, 0), (3, 0)
C. 
, 
D. 
, (6, 0)
Solve.
= 7.8
A. {6084} B. {-7.8} C. {7.8, -7.8} D. {7.8}