Assume the region is part of a vertical side of a tank with water (? = 62.4 pounds per cubic foot) at the level shown. Find the total force exerted by the water against this region.
A. 95,846.4 lb
B. 63,897.6 lb
C. 47,923.2 lb
D. 7987.2 lb
Answer: B
Mathematics
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Solve the problem. Round to the nearest tenth if necessary.Last year, Maria earned $349 per week. This year, her salary increased to 
per week. What is the percent of increase?
A.
| 92.3% |
B.
| 7.2% |
C. 7.7%
D.
| 92.8% |
Mathematics
Write a formula for the nth term of the geometric sequence.
, - 
, 
, - 
, . . .
A. an = 
- 
(n - 1)
B. an = 
n - 1
C. an = 
n - 1 - 
D. an = 
n - 1
Mathematics
For the given functions f(x) and g(x), find the product or quotient as indicated.If f(x) = x - 25 and g(x) = 
+ 5, find 
A. x + 5
B. 
+ 5
C. x - 5
D. 
- 5
Mathematics
Find the length of the arc on a circle of radius r intercepted by a central angle ?. Round answer to two decimal places.r = 15.57 inches, ? = 300°
A. 81.62 inches B. 81.52 inches C. 81.82 inches D. 81.72 inches
Mathematics