Use the Quadratic Formula to solve for .
?

?

A.
B.
C.
D.
E.


Answer: E

Mathematics

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If a projectile is fired with an initial velocity of meters pe second at an angle ? above the horizontal and air resistance is assumed to be negligible, then its position after t seconds is given by the parametric equations where g is the acceleration of gravity (9.8 m/s²). If a gun is fired with ? = 55° and 440 m/s when will the bullet hit the ground?

Mathematics

Graph the pair of parametric equations in the rectangular coordinate system.x = t2, y =  + 5; 0 ? t ? 4 

A.

B.

C.

D.

Mathematics

Make the conversion indicated. Round your result to the nearest tenth.74°F ?  °C

A. 9.1 B. 23.3 C. 165.2 D. 101.2

Mathematics

Provide an appropriate response.Explain what is wrong with the statement "The line has no slope."

What will be an ideal response?

Mathematics