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IrinaK [193]
3 years ago
14

Simplify the expression 5+4+2(-3)+7+(-5)

Mathematics
1 answer:
liberstina [14]3 years ago
4 0
Just use pemdas
(Parenthesis, exponents, multiplication, division, addition, subtraction)
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How do I get from: <br>Sin x = -1/2<br>To: x = 7Pi/6, 11Pi/6
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A few ways. you can enter it into a calculator for one, but the easiest way would be to reference a unit circle and look for an ordered pair where sin (the y value), is equal to -1/2

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because sin is the y value, it will additionally be in the quadrants III or IV based on the fact that (-1/2) as a sin value IS a negative and would have to be found in a quadrant in which sin is negative (the lower half of a coordinate plane, in this case)
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This it the question
Lelechka [254]

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d

Step-by-step explanation:

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Greatest to least: 17/20, 19/20, 0.19, 0.24
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