Solve.When making a telephone call using a calling card, a call lasting 3 minutes cost $1.00. A call lasting 11 minutes cost $2.60. Let y be the cost of making a call lasting x minutes using a calling card. Write a linear equation that relates the cost of a making a call, y, to the time x.
A. y = -0.2x + 1.6
B. y = 0.2x + 0.4
C. y = 5x - 14
D. y = 0.2x - 8.4
Answer: B
Mathematics
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Answer the question.Consider the function G(x) = 
, where f(t) oscillates about the line y = 2 over the x-region [0, 12].The graph is given below:
At what values of x over this region do the local minima of G(x) occur?
A. ? 2.1, ? 8.0 B. ? 10.9, 12 C. 0, ? 4.4, ? 10.9 D. ? 4.4, ? 10.9
Mathematics
Solve the below
ÚÄ ³P I = ³Ä. Find I when P = 140 mW and R = 240 ê. ûR a. 24.2 milliamps b. 3.40 microamps c. 4.31 milliamps d. 5.6 amps e. 0.58 milliamps
Mathematics
Find the volume.
A.
| 19.6 cm3 |
B.
| 56.44 cm3 |
C.
| 233.730 cm2 |
D.
| 233.730 cm3 |
Mathematics
Find the length of the missing side in the right triangle.
A. 2
B. 4
C. 4
D. 2
Mathematics