Solve the problem.A child throws a ball with a speed of 4 feet per second at an angle of 48° with the horizontal. Express the vector described in terms of i and j. If exact values are not possible, round components to 3 decimals.
A. 2.973i + 2.677j
B. 2.973i - 2.677j
C. 2.677i + 2.973j
D. -2.677i + 2.973j
Answer: C
Mathematics
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A. 
, 
B. - 2, 
C. ± 
D. 
, 2
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Solve the problem.Five more than a number is equal to the difference of forty-one and the number. Find the number.
A. 36 B. 23 C. 18 D. 15
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Multiply. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 1
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Find the domain of the rational function.R(x) = 
A. 
B. 
C. 
D. 
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