Use I = Prt for simple interest to find the indicated quantity.P = $3000; t = 90 days; I = $105. Find r. (Use 360 days in a year.)
A. 3.5%
B. 14.0%
C. 9.7%
D. 14.2%
Answer: B
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Solve the problem.The following bar graph shows the average annual income for single mothers.
i) Determine a linear function that can be used to estimate the average yearly income for single mothers from year 0 through year 5. Let t represent the year.ii) Using the function from part i, determine the average yearly income for single mothers in year 3.iii) Assuming this trend continues, determine the average yearly income for single mothers in year 13.iv) Assuming this trend continues, in which year will the average yearly income for single mothers reach $33,000?
A.
| i) | I(t) = 775.8t + 24,269 |
iii) $34,354.40
iv) year 12
B.
| i) | I(t) = 775.8t + 24,269 |
iii) $34,354.40
iv) year 12
C.
| i) | I(t) = 770.8t + 24,269 |
iii) $34,289.40
iv) year 12
D.
| i) | I(t) = 775.8t + 24,269 |
iii) $34,354.40
iv) year 13
Write the numeral in base ten.42twelve
A. 92 B. 29 C. 50 D. 70
Based on data obtained from the Census Bureau, the manager of Plymouth Van Lines estimates that the percent of the total population relocating in year t (
corresponds to the year 1960) may be approximated by the formula 
.
?
Compute P'(10), P?'(20), and P?'(30).
?
A. 
?
B.
?
C. ?
?
D. ?
?
E. ?
?
Solve the problem.A musician plans to perform 5 pieces for a concert. If he can choose from 8 different pieces, how many different ways can he arrange his program?
A. 6720 B. 56 C. 32,768 D. 40