Solve.The amount of tread left on a tire varies inversely as the number of miles the tire has traveled. A tire that has traveled 19,000 mi has 
in of tread left. How much tread will be left on a tire that has traveled 89,000 mi?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: D
Mathematics
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Solve the differential equation.5y'' + 3y' + 5y = 0
A. y = C1e(-3/10)x + C2e
/10x
B. y = e
/10x 
C. y = e(3/10)x 
D. y = e(-3/10)x 
Mathematics
Find the quotient and the remainder.3x2 + 10x - 8 divided by x + 4
A. 3x + 2; remainder 0 B. 3x - 2; remainder 7 C. x - 2; remainder 0 D. 3x - 2; remainder 0
Mathematics
Solve the equation for x.y = 3 tan 2x - 1
A. x = 
arctan (3y + 3)
B. x = 2 arctan 
C. x = 2 arctan (3y + 3)
D. x = 
arctan 
Mathematics
A die is rolled. Find the probability of the specified event.The number showing is less than 3.
A. 
B. 
C. 
D. 
Mathematics