Determine if the following is an identity or contradiction.2x + 3 = 2(x + 1) + 1

A. Identity
B. Contradiction


Answer: A

Mathematics

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A.
B.
C.
D.

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Assume that ? is an angle in standard position whose terminal side contains the given point and that 0 < ? < ?/2. Find the radian measure of ? to the nearest tenth of a radian.(3.5, 5.9)

A. 1.2 B. 0.4 C. 1.0 D. 0.5

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Use the given information given to find the exact value of the trigonometric function.cos ? = - ,? lies in quadrant IIIFind cos .

A.
B. - 
C. - 
D.

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Write the percent as a decimal.In the last election Mr. Smith received 3.7% of the vote. Write this percent as a decimal.

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Mathematics