A 50-meter line is used to tether a helium-filled balloon. Because of a breeze, the line makes an angle of approximately 55° with the ground. What is the height of the balloon? (Round the answer to one decimal place.)
?
A. 45 m
B. 41 m
C. 43 m
D. 49 m
E. 47 m
Answer: B
Mathematics
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Find the volume of the cylinder. Use ? ? 3.14.Find the volume of a cylinder with the following dimensions: r = 7 m, h = 9 mRound to the nearest tenth if necessary.
A. V ? 395.6 m3 B. V ? 5539 m3 C. V ? 197.8 m3 D. V ? 1384.7 m3
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Evaluate the algebraic expression for the given values of the variables.
for x = 1 and y = 18
A. 16 B. 21 C. 5 D. 8
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Find the requested probability.A fair coin is tossed 5 times. What is the probability of no heads?
A. 0 B. 0.0313 C. 0.9688 D. 0.0625
Mathematics