Find a mathematical model for the verbal statement:
?
"Q is jointly proportional to the cube of h and the square root of m."
?
A.
B.
C.
D.
E.
Answer: A
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Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 20 watches B. 36 watches C. 73 watches D. 39 watches
Solve.Pat is trading her car in on a new car. The new car costs $24,025. Her car is worth $7998. How much more money does she need to buy the new car?
A. $16,027 B. $16,028 C. $16,017 D. $15,927
For the given vectors u and v, evaluate the expression.u = , v =
Find 4u - 4v.
A.
B.
C.
D.
Write the rate as a unit rate.Paul Saltwood can paint 144 doors in 7 hours, while Ian Kepler can paint 48 doors in 3 hours. Who can paint doors faster, Paul or Ian?
A.
Paul? |
B. Ian