Without using a calculator, give the exact trigonometric function value with rational denominator.cos 60°

A.
B.
C.
D.


Answer: D

Mathematics

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Find the prime factorization. Write the answer in exponential form.1491

A. 21 ? 71 B. 32 ? 71 C. 72 ? 71 D. 3 ? 7 ? 71

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Solve the system of equations.

A. (1, -5, -4) B. (1, -4, -5) C. ? D. (-4, -5, 1)

Mathematics

Graph the equation by plotting points.y = x3 

A.

B.

C.

D.

Mathematics

Solve by using the square root property.(9t + 3)2 = 5

A.  - 3, -  - 3
B.  , - 
C.  , - 

D.  , - 

Mathematics