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 with an initial speed of 457 m/sec at an angle of 45°. What is the greatest height reached by the projectile? Round your answer to the nearest tenth.
A. 65.9 m
B. 52,212.3 m
C. 21,311.1 m
D. 5327.8 m
Answer: D
Mathematics
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Find the price per share of ARCDX for the previous day.
A. $10.27 B. $10.52 C. $10.34 D. $10.55
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Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(7x - y)2
A. 49x2 + y2 B. 49x2 - 14xy - 2y2 C. 49x2 - 14xy + y2 D. 49x2 - 7xy + y2
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Find the domain of the function.
A. {x|x ? 0} B. {x|x ? 0} C. {0} D. all real numbers
Mathematics