Use a calculator to find the approximate value of the composition. Round answers to four decimal places, if necessary.cos (cos-1 0.3)
A. 2.8
B. 1
C. 0.3
D. 3.4
Answer: C
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Provide an appropriate response. The weight of a person's brain is 2.5% of the total body weight. If a person weighs 150 pounds, how heavy is his brain?
A. 60 pounds B. 0.167 pounds C. 6 pounds D. 3.75 pounds
How many rows and columns has the matrix 4 × 7? ?
A. 7 rows, 7 columns B. 7 rows, 4 columns C. 4 rows, 7 columns D. 4 rows, 4 columns E. 28 rows, 28 columns
Solve the problem.There are currently 78 million cars in a certain country, increasing exponentially by 2.9% annually. How many years will it take for this country to have 93 million cars? Round to the nearest year.
A. 4 yr B. 5 yr C. 6 yr D. 93 yr
State the real number that corresponds to the situation.A football team lost 8 yards on one play.
A. -8 B. 8