Solve the problem.An investment was split so that part was invested at a 8% annual rate of interest and then $3000 more than twice this amount was invested at 10%. If the total annual earnings were $4500, how much money was invested at 10%?
A. $30,000
B. $3300
C. $9000
D. $33,000
Answer: D
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Solve the problem.The following test scores were recorded for a student: 84, 79, 77, 73, 79, 65, 75. Determine the mean and median.
A.
| mean: 76 | median: 73 |
B.
| mean: 77 | median: 73 |
C.
| mean: 77 | median: 76 |
D.
| mean: 76 | median: 77 |
Solve. If necessary, round answers to the nearest tenth unless stated otherwise.A baseball player throws a baseball with a speed S of 84 mph at an angle of 45° with the horizontal. Resolve the vector S into components. Give your answer in exact form.
A. Horizontal: 42
mph, vertical: 42
mph
B. Horizontal: 84
mph, vertical: 84
mph
C. Horizontal: 42 mph, vertical: 42
mph
D. Horizontal: 42 mph, vertical: 42 mph
Find the range of the set of numbers.7, 8, 7, 17, 15
A. 17 B. 10 C. 11 D. 8
Solve the exponential equation algebraically. Approximate the result to three decimal places.
?
?
A. 
B. 
C. 
D. 
E. 