Solve the problem.There are currently 53 million cars in a certain country, decreasing by 1.7% annually. How many years will it take for this country to have 39 million cars? (Round to the nearest year.)

A. 8 yr
B. 155 yr
C. 4 yr
D. 18 yr

Answer: D

Mathematics

Find an explicit formula for an.0, , 0, , 0, . . .

A. a_n =
B. a_n =
C. a_n =
D. a_n =

View

Mathematics

Solve the equation.2a = -14

A. -7 B. 16 C. -16 D. 1

View

Mathematics

Find the inverse, if it exists, for the matrix.

A.

B.

C. The inverse does not exist.
D.

View

Mathematics

Subtract.(-9y3 + 4y5 - 2 - 2y4) - (3 + 9y4 + 7y5 - 2y3)

A. 11y5 + 7y4 - 11y3 - 5 B. 11y5 + 7y4 - 11y3 + 1 C. -3y5 + 7y4 - 11y3 + 1 D. -3y5 - 11y4 - 7y3 - 5

View

Mathematics