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asambeis [7]
3 years ago
12

5 - 2 (a + 3b) / 2 = ? / ?

Mathematics
1 answer:
Semmy [17]3 years ago
4 0

Answer:

(5-2a+6b)/2

Step-by-step explanation:

According to PEMDAS, we would multiply 2 by (a+3b) first. This would equal 2a+6b. Since this is being subtracted from 5, the numerator would equal 5-2a+6b. This would bring the simplified answer to (5-2a+6b)/2

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Answer:

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Step-by-step explanation:

We have to analyze the value of cos(Ф) from -π/2 to 0. This can be done if we simplify evaluate the value of cos(Ф) at these two extreme.

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This shows that value of cos(Ф) is 0 at  -π/2  or -90 degrees and increased to 0 at 0 degrees.

This answer can be validated if you visualize the graph of cos function. Cos function has a peak at 0 degrees, i.e. a value equal to 1. On right and left side of 0 degrees, the curve starts falling down and eventually touches the horizontal axis at 90 degrees and -90 degrees. This is shown in the graph attached below:

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3 years ago
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1 year ago
What percentage of the whole school are 7th grade students? Round to the nearest tenth of a
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2 years ago
Multiples of 3 are always multiples of 6.
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Step-by-step explanation:

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