Solve the problem.An object is propelled vertically upward from the top of a 288-foot building. The quadratic function  models the ball's height above the ground,  in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.

A. 2 seconds
B. 9.8 seconds
C. 1.8 seconds
D. 4 seconds


Answer: B

Mathematics

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Solve.Find the dimensions of a rectangular enclosure with perimeter  and area 

A. 10 ft by 24 ft B. 12 ft by 22 ft C. 10 ft by 6 ft D. 12 ft by 5 ft

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Solve the equation.3(n - 5)2 - 4 = 11(n - 5)

A. {- , 4}
B. {, 4}
C. {, 9}
D. {, 1}

Mathematics

Solve the problem.The following statement appears in the instructions for a game: At this point, you can roll again or pass (end your turn). Write the negation of the statement.

A. At this point, you cannot roll again or cannot pass (end your turn). B. At this point, you cannot roll again but can pass (end your turn). C. At this point, you can roll again and can pass (end your turn). D. At this point, you cannot roll again and cannot pass (end your turn).

Mathematics

Solve the problem.Two bacteria are placed in a petri dish. The population will double every day. The formula for the number of bacteria in the dish on day t is  N(t) = 2(2)twhere t is the number of days after the two bacteria are placed in the dish. How many bacteria are in the dish seven days after the two bacteria are placed in the dish?

A. 256 B. 98 C. 28 D. 11

Mathematics