Tell whether the statement is true or false.cos 22° = cos 49°cos 27° - sin 49°sin 27°

A. True
B. False


Answer: B

Mathematics

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Provide an appropriate response.The primary advantage(s) of the weighted-average inventory method is/are:

A. the time savings compared to finding the exact price for each item B. all pertain to the weighted-average inventory method C. its use with goods that are similar in cost D. its use with goods that have a relatively stable cost

Mathematics

Translate to a proportion and solve. When necessary, round to the nearest hundredth.60 is what percent of 48?

A. 130% B. 80% C. 125% D. 1.25%

Mathematics

List the factors of the number.84

A. 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 14, 21, 28, 42, 84 B. 1, 2, 3, 4, 6, 7, 12, 14, 21, 42, 84 C. 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 D. 1, 2, 3, 4, 7, 14, 21, 28, 42, 84

Mathematics

Solve the problem.What is the intensity in watt/m2 of a noise that's loudness is measured at 86 decibels?

A. 5.43 × 1015 watt/m2 B. 3.98 × 10-4 watt/m2 C. 3.98 × 10-3 watt/m2 D. 8.6 × 10-10 watt/m2

Mathematics