Find the exact value of the following expression without using a calculator.cos (60°)

A.
B.
C.
D.


Answer: D

Mathematics

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Express the number in scientific notation.0.00000041103

A. 4.1103 x 107 B. 4.1103 x 10-7 C. 4.1103 x 106 D. 4.1103 x 10-6

Mathematics

Provide an appropriate response.Find all the integer values of k such that the following is factorable over the integers.x2 + kx + 16

What will be an ideal response?

Mathematics

Find the indicated root and express the answer in standard form.Cube roots of -8

A. -2, 1 + i, 1 - i
B. -2, -1 - i, 1 - i
C. -2, -1 + i, -1 - i
D. -2, 1 + i, -1 - i

Mathematics

Evaluate the expression for the given value of x. when x = 17

A. -1
B.
C. 1
D. 0

Mathematics