Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is fired at a speed of 1,040 m/sec at an angle of 55°. How long will it take to get 26 km downrange? Round your answer to the nearest whole number.
A. 42 sec
B. 44 sec
C. It will never get that far downrange.
D. 46 sec
Answer: B
Mathematics
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Perform the indicated operations.Estimate by rounding to the nearest ten, then find the actual sum. 67489727
A. Estimate: 280 Actual: 239 B. Estimate: 276 Actual: 209 C. Estimate: 300 Actual: 266 D. Estimate: 290 Actual: 276
Mathematics
Solve the problem.After a 16% price reduction, a boat sold for $26,880. What was the boat's price before the reduction? (Round to the nearest cent, if necessary.)
A. $168,000.00 B. $31,180.80 C. $32,000 D. $4300.80
Mathematics
Divide. Express the quotient in lowest terms. ÷
A.
B.
C.
D.
Mathematics
Graph the function.y = 5 cot
A.
B.
C.
D.
Mathematics