Find the logarithm using the change-of-base formula.log5.7 1600
A. 7.3778
B. 4.239
C. 0.2359
D. 1.7405
Answer: B
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Solve the problem.Cal is packing his suitcase to go on a trip. He wants to pack 4 pairs of pants chosen from the 6 pairs of pants in his closet and 5 shirts chosen from the 8 shirts in his closet. In how many ways can this be done?
A. 840 B. 20,160 C. 2,419,200 D. 100,800
Solve.-7x + 48 = -3x + 12
A. x = 9 B. x = 12 C. x = -12 D. x = -9
Solve.Jamil always throws loose change into a pencil holder on his desk and takes it out every two weeks. This time it is all nickels and dimes. There are 8 times as many dimes as nickels, and the value of the dimes is $6.75 more than the value of the nickels. How many nickels and dimes does Jamil have?
A. 72 nickels and 9 dimes B. 8 nickels and 64 dimes C. 9 nickels and 72 dimes D. 10 nickels and 80 dimes
Solve the problem.A boat is 60 feet from the base of a cliff. If the distance from the top of the cliff to the boat is 15 feet less than twice the height of the cliff to the water, what is the height of the cliff? Round to the nearest tenth of a foot, if necessary.
A. 75 feet B. 25 feet C. 45 feet D. 35 feet