Solve the equation. Give the answer in exact form.3e2x + 7ex = 20

A.
B. {e5/3, e-4}
C.
D.


Answer: D

Mathematics

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A.

B.

C.

D.

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Use a proportion to solve the problem.If a spring stretches 5 meters when a 4-kilogram weight is attached to it, how much will it stretch when a  weight is attached to it?

A. 20 m B. 19 m C. 22 m D. 23 m

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Evaluate the expression by hand, if possible.log 0.0001

A. -4 B. -1 C. -10 D. 4

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Convert.76 in. =  ft in.

A. 6 ft 8 in. B. 5 ft 16 in. C. 4 ft 6 in. D. 6 ft 4 in.

Mathematics