Solve.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 17 minutes requires 10.2 gallons of water. Find the amount of water used in a shower lasting 12 minutes.
A. 6.6 gallons
B. 204 gallons
C. 7.8 gallons
D. 7.2 gallons
Answer: D
Mathematics
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Use Stokes's Theorem to calculate 
.F = -3x2yi + 3xy2j + z5k; S is the portion of the paraboloid 1 - x2 - y2 = z that lies above the x-y plane
A. 6
B. 6?
C. 1?
D. 
?
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Solve the equation.
n = 9
A. 4
B. 
C. 
D. 18
Mathematics
Find the exact value of the expression.sin
A. - 
B. 
C. 
D. - 
Mathematics
Determine the following ratio. Write the ratio as a fraction in lowest terms.3 quarters to 11 dollars
A. 11:3 B. 44:3 C. 3:11 D. 3:44
Mathematics