Solve.An old house has a basement stairway that has steps with 7.25 inch risers and 7 inch treads. What is the slope of the stairway? Express your answer as a decimal and round to the nearest hundredth when necessary.
A. 10.36
B. 0.97
C. -0.25
D. 1.04
Answer: D
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Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 9 miles, the distance between the cars was 3 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?
A. 18 mi B. 9 mi C. 15 mi D. 12 mi
Provide an appropriate response.Frank Orkwis weighs weekly as part of his weight loss routine. His weight for last week was 206 lb 12 oz. Today his weight is 199 lb 15 oz. How much weight did he lose?
A. 7 lb 3 oz B. 6 lb 13 oz C. 7 lb 13 oz D. 6 lb 3 oz
Evaluate the integral.
A. 5 B. - 2 C. 2 D. 1
Provide an appropriate response.Suppose X is normally distributed with mean 80 and standard deviation 15. Without using tables, determine the approximate value of P(65 < X < 95).
A. 0.997
B. 0.33
C.
| 0.68 |
D. 0.95
E. 0.50