Solve.Gary has to choose between two calling plans for his local phone service. Plan A charges a monthly fee of $30 regardless of how many local calls are placed. Plan B charges $15 per month plus $0.50 for each local call placed. Graph the system to find the number of calls that would have to be placed for the two plans to charge the same amount.
A. 20 calls
B. 40 calls
C. 50 calls
D. 30 calls
Answer: D
Mathematics
You might also like to view...
Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Mathematics
Solve the problem.A coil of wire rotating in a magnetic field induces a voltage given by 
where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 3.33 sec B. 3? sec C. 3 sec D. 3.33? sec
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 + 2xy - 8y2
A. (x - y)(x + 2y) B. (x + 4y)(x - 2y) C. (x - 4y)(x + y) D. (x - 4y)(x + 2y)
Mathematics
Graph using the slope and the y-intercept.y = x - 6
A. 
B. 
C. 
D. 
Mathematics