Perform the operation, if possible.Let C =   and D = . Find C - 4D.

A.
B.
C.
D.


Answer: D

Mathematics

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Provide an appropriate response.A baseball is hit when it is 2.7 feet above the ground. It leaves the bat with an initial speed of 151 ft/sec, making an angle of 22° with the horizontal. Assuming a drag coefficient  how high does the ball go, and when does it reach maximum height? For projectiles with linear drag:  x = x0 + (1 - e-kt) cos ?, y = y0 + (1 - e-kt) sin ? + 

style="vertical-align: -21.0px;" />(1 - kt - e-kt)where k is the drag coefficient, v0 and ? are the projectile's initial speed and launch angle, and g is the acceleration of gravity (32 ft/sec2). A. Maximum height = 8.27 feet; time to maximum height = 0.74 sec B. Maximum height = 3.03 feet; time to maximum height = 0.06 sec C. Maximum height = -0.23 feet; time to maximum height = -0.21 sec D. Maximum height = 3.07 feet; time to maximum height = 0.02 sec

Mathematics

Write as a decimal.95.8%

A. 0.848 B. 0.0958 C. 9.58 D. 0.958

Mathematics

Factor.5x6 - 45x5  + 70x4

A. 5x4(x - 7)(x - 2) B. 5x4(x2 - 9x + 14) C. x4(5x - 35)(x - 2) D. x4(x - 7)(5x - 10)

Mathematics

Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a6 when a = 3, r = -4.

A. 3072 B. 12,288 C. -1024 D. -3072

Mathematics