Determine the exact value of the expression without the use of a calculator.sin 75° cos 15°
A.
B.
C.
D.
Answer: C
Mathematics
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Solve the problem.A wheel is rotating at 3 radians/sec, and the wheel has a 70-inch diameter. To the nearest foot per minute, what is the velocity of a point on the rim?
A. 530 ft/min B. 520 ft/min C. 515 ft/min D. 525 ft/min
Mathematics
Solve the problem.If a and b are the lengths of the legs of a right triangle and c is the length of the hypotenuse, How is dc/dt related to da/dt and db/dt?
A. = 2a
+ 2b
B. = a2
+ b2
C. =
D. = a
+ b
Mathematics
Write the expression for the general (or nth) term, an, of the geometric sequence.,
, 1, 2,. . .
A. an = (2)n - 1
B. an = + 2(n - 1)
C. an = ()n - 1 +
D. an = +
n - 1
Mathematics
Determine whether the ratios are proportional. and
A. Yes B. No
Mathematics