Solve.The pressure exerted by a column of water amounts to 0.434 psi of surface for every foot of height or head. What is the total pressure exerted on the bottom surface of a cylindrical container 20 inches in diameter if the head is 5 feet? Round to the nearest pound.
Fill in the blank(s) with the appropriate word(s).
682 pounds
Mathematics
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Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= 
cscn-2 x cot x - 
B. 
= 
cscn-2 x cot x - 
C. 
= 
cscn-2 x cot x + 
D. 
= cscn-2 x cot x + (n - 2) 
Mathematics
Follow the proper order of operations to evaluate the following.30 ÷ 2(8 - 4)
A. 60 B. 22 C. 1920 D. 10
Mathematics
Find the specified domain and express it in interval notation.For f(x) = x2 - 9 and g(x) = 2x + 3, what is the domain of 
(x)?
A. (-3, 3)
B. 
C. All real numbers except - 
D. All real numbers
Mathematics
Write the number in decimal notation without the use of exponents.2.87 × 104
A. 114.8 B. 2870 C. 28,700 D. 287,000
Mathematics