Solve.Nine times the sum of 5 and a number equals 90. Find the number.
A. -45
B. 5
C. 45
D. -5
Answer: B
Mathematics
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Use the method of variation of parameters to solve the differential equation.D2y + 8Dy + 12y = 5x
A. y = C1e-2x + C2e-6x + x
B. y = C1e-2x + C2e-6x + -
x
C. y = C1e2x + C2e6x - +
x
D. y = C1e-2x + C2e-6x - +
x
Mathematics
Complete. =
A.
B.
C.
D.
Mathematics
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.What percent of 187 feet is 10.7 feet?
A. 1747.7% B. 0.2% C. 5.7% D. 0.1%
Mathematics
Simplify each side of the equation, if possible. Then solve the equation. - 3 + 10 = 12m - 11 - 11m + 4
A. m =
B. m = 13
C. m =
D. m = 12
Mathematics