Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a  building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation  When will the object hit the ground?

A. In 5 seconds
B. In 160 seconds
C. In 2 seconds
D. In 7 seconds


Answer: A

Mathematics

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Express in scientific notation.0.000000446019

A. 4.46019 × 10-6 B. 4.46019 × 106 C. 4.46019 × 10-7 D. 4.46019 × 107

Mathematics

Use the method of your choice to find all real solutions of the equation. = 

A. No real solutions
B. {-7-1, 1, 6}
C.
D.

Mathematics

Express the percent as a decimal.9.7%

A. 0.097 B. 0.97 C. 9.7 D. 97.0

Mathematics

A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probability P(five and a jack). ?

What will be an ideal response?

Mathematics