Marcia wants to get a new car stereo. She researches the cost with a variety of local car stereo installers and places her findings in a stem-and-leaf plot.
9
58999 10
478   11
0059  12
00055913
09    14
0       10|7 = $107What is the median price?

A. $110
B. $115
C. $119
D. $120


Answer: B

Mathematics

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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA baseball is hit when it is 2.1 ft above the ground. It leaves the bat with an initial velocity of  at a launch angle of 22°. At the instant the ball is hit, an instantaneous gust of wind blows against the ball, adding a component of -13.3i (ft/sec) to the ball's initial velocity. How high does the baseball go? Round your answer to the nearest tenth.

A. 43.0 ft B. 47.1 ft C. 52.4 ft D. 45.1 ft

Mathematics

Consider the polar equation

(a) Find the eccentricity and an equation of the directrix of the conic. (b) Identify the conic. (c) Sketch the curve.

Mathematics

Provide an appropriate response.Construct a truth table for the proposition and determine whether it is a contingency, a tautology, or a contradiction: (q ? p) ? ~q.

What will be an ideal response?

Mathematics

Use a half-angle formula to find the exact value of the expression.sin 

A.  
B. -  
C.  
D. -  

Mathematics