Solve.How long will it take for the population of a certain country to double if its annual growth rate is ? Round to the nearest year.

A. 1 yr
B. 39 yr
C. 17 yr
D. 111 yr


Answer: B

Mathematics

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Provide an appropriate response.Two identical orders for goods are to be shipped. The first stock picker puts part 1 of the order on pallet A. He puts parts 2 and 3 of the order on pallet B and loads his truck. The second stock picker puts parts 1 and 2 on pallet A, and part 3 on pallet B before loading his truck. Which fundamental law of algebra shows that the trucks have identical orders?

A. Distributive law B. Commutative law of multiplication C. Associative law of addition D. Commutative law of addition

Mathematics

Solve.log39 = x

A. x = 3 B. x = 27 C. x = 12 D. x = 2

Mathematics

Solve the problem.At a national computer show, two software companies continuously run videos showing their products. Company A's video repeats every 15 minutes, while Company B's video repeats every 21 minutes. If both companies begin the videos at 1:00 P.M. when the show opens, how many minutes will elapse before they are in sync again?

A. 70 minutes B. 210 minutes C. 105 minutes D. 35 minutes

Mathematics

Divide.

A. 1800 B. 180 C. 18 D. 1.8

Mathematics