Write an algebraic equation and use it to solve the problem.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $52 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 7 minutes
B. 2 minutes
C. 740 minutes
D. 1340 minutes
Answer: C
You might also like to view...
Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A sample consists of every 20th student who leaves the library.
A. Systematic B. Stratified C. Simple random D. Convenience
Use a graphing calculator to determine which expression completes the identity.The expression 
? csc x is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. csc x - tan x B. cos x - 1 C. sec x + cos x D. tan2x
State whether the function is linear or quadratic.f(x) = 9x - 3
A. Linear B. Quadratic
Solve the problem.Martin purchased some municipal bonds yielding 8% annually and some certificates of deposit yielding 11% annually. If Martin's investment amounts to $23,000 and the annual income is $2230, how much money is invested in bonds and how much is invested in certificates of deposit?
What will be an ideal response?