Solve the problem.The height of an object dropped from a tall building is h0 - 16t2, where t is the elapsed time in seconds and h0 is the initial height in feet. If a package is dropped from an initial height of 650 feet, what is its height after 5 seconds?
A. 325 ft
B. 975 ft
C. 394 ft
D. 250 ft
Answer: D
Mathematics
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A. xy
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A. ? = -1 B. Undefined C. ? = 1 D. ? = 0
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The lengths of two sides of a right triangle are given. Find the length of the third side. (The triangle is not drawn to scale.)
A. 14 B. 15 C. 12 D. 11
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Write the augmented matrix for the system. 4x + 3y + 3z = 11 2x + 9y + 5z = 19 4x + 2y + 9z = 48
A. 
B. 
C. 
D. 
Mathematics