Solve the problem.How long must $4000 be in a bank at 8% compounded annually to become $6855.30? Round to the nearest year.
A. 6 yr
B. 7 yr
C. 9 yr
D. 8 yr
Answer: B
Mathematics
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Solve the problem.The velocity of water (in ft/s) at the point of discharge is given by 
where P is the pressure in 
of the water at the point of discharge. Find the rate of change of the velocity with respect to pressure if the pressure is 
A. 0.0898 ft/s per lb/in.2 B. 41.75 ft/s per lb/in.2 C. 1.39 ft/s per lb/in.2 D. 0.6958 ft/s per lb/in.2
Mathematics
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = - 16x - x2 - 74
A. Maximum: -10 B. Maximum: 10 C. Minimum: 10 D. Minimum: 0
Mathematics
Find the sum.
A. 38 B. 20 C. 12 D. 50
Mathematics
Solve.Four times the sum of a number and 3 is 24 less than the number times 8. Find the number.
A. -9 B. -36 C. 36 D. 9
Mathematics