Solve the problem.A radio transmission tower is 230 feet tall. How long should a guy wire be if it is to be attached 9 feet from the top and is to make an angle of 35° with the ground? Give your answer to the nearest tenth of a foot.
A. 401.0 feet
B. 269.8 feet
C. 280.8 feet
D. 385.3 feet
Answer: D
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = 3ti + 
j + 
k; -5? t ? -1
A. 100 B. -150 C. 20 D. -30
Mathematics
Solve the problem.The relationship between the number of units sold by a company and the profit is linear. If 5 units sold results in $110 profit and 37 units sold results in $814 profit, find the marginal profit.
A. $22 per unit B. -$22 per unit C. $44 per unit D. $11.00 per unit
Mathematics
Find the sum.17 + (-9) + 5 + (-19) + 8 + (-1)
A. -9 B. 9 C. 1 D. -59
Mathematics
Determine whether S defines a function.S = {(-3, 9), (2, -9), (6, 2), (7, -6), (10, -7)}
A. No B. Yes
Mathematics