Solve the problem.A projectile is fired from a height of 6 feet with an initial velocity of 198 ft/sec at an angle of 49° with the horizontal. The parametric equations for the path of the projectile are x = (198 cos 49°)t, and y = 6 + (198 sin 49°)t - 16t2,where x and y are in feet and t is in seconds. How long does it take the projectile to hit the ground? Round your answer to the nearest tenth of a second.
A. 18.8 sec
B. 12 sec
C. 9.4 sec
D. 9.3 sec
Answer: C
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Find the least common multiple (LCM) of the pair of numbers.8x and 24y
A. 32xy B. 24xy C. 192xy D. 8xy
Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid
before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of apples.Use the fact that for
src="https://sciemce.com/media/4/ppg__fdgfd0509192127__f1q71g4.jpg" alt="" style="vertical-align: -15.0px;" /> A. $0.85 per pound B. $0.81 per pound C. $0.78 per pound D. $0.72 per pound
Provide an appropriate response.Jud-Jo Distributors received an invoice dated September 22 in the amount of $97.50. The credit terms were 2/15, N/30. A penalty of 6% is imposed for payments made after 30 days. Jud-Jo made a partial payment on October 6 of $50.00 and paid the balance on October 25. What was the amount due?
A. $48.50 B. $47.50 C. $49.27 D. $46.48
The owner of a candy store mixed some peanuts worth $2 per pound, some cashews worth $8 per pound, and some Brazil nuts worth $8 per pound to get 60 pounds of a mixture that would sell for $5 per pound. She used 20 fewer pounds of cashews than peanuts. How many pounds of each did she use?
A. 20 lb peanuts, 10 lb cashews, 30 lb Brazil nuts B. 5 lb peanuts, 15 lb cashews, 25 lb Brazil nuts C. 30 lb peanuts, 10 lb cashews, 20 lb Brazil nuts D. 25 lb peanuts, 5 lb cashews, 15 lb Brazil nuts E. 10 lb peanuts, 30 lb cashews, 20 lb Brazil nuts