Answer:
B
Step-by-step explanation:
√3 is an irrational number, 2 is a rational number.
the product of this will be 2√3 in surds form, and when pressed into the calculator will provide you with an irrational answer.
The double angle formula for the sine is

The right hand side is exactly your expression, where 
So, rewriting the expression from right to left, we have

Answer:
10x - 3
Step-by-step explanation:
First, distribute 2 to all terms within the second parenthesis:
2(3x + 1) = (2 * 3x) + (2 * 1) = 6x + 2
4x - 5 + 6x + 2
Combine like terms (terms with the same amount of variables).
4x + 6x + 2 - 5
(4x + 6x) + (2 - 5)
10x + (-3)
10x - 3
10x - 3 is your answer.
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Answer:
4
Step-by-step explanation:
Divide 28 by 4 to get 7
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