Solve the problem.If two fair dice are rolled, find the probability of a sum of 6 given that the roll is a double.

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.When an object falling from rest encounters air resistance proportional to the square of its velocity, the distance it falls (in meters) after t seconds is given by where m is the mass of the object in kilograms, g = 9.8 m/s2 is the acceleration due to gravity, and k is a physical constant. A BASE jumper  leaps from a tall cliff and performs a ten-second delay (she free falls for 10 s and then opens her chute). How far does she fall in 10 s? Assume 

style="vertical-align: -4.0px;" /> Round the answer to one decimal place if necessary. A. 72.4 m B. 14.5 m C. 331.2 m D. 361.9 m

Mathematics

The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = - t3 + 6t2 - 6t, 0 ? t ? 6Find the body's displacement and average velocity for the given time interval.

A. 396 m, 66 m/sec B. -36 m, -12 m/sec C. -36 m, -6 m/sec D. 36 m, 6 m/sec

Mathematics

Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 165°

A.
B. - 
C.
D. - 

Mathematics

Write the equation of the line in slope-intercept form.m = , y-intercept (0, 4)

A. y = - x - 4
B. y = x - 4
C. y = - x + 4
D. y = x + 4

Mathematics