Write an equivalent expression for –2x+7
1 answer:
Step-by-step explanation:
This expression is in its simplest form.
We can only expand them:
-2x + 7 = 3x - 5x + 7
-2x + 7 = x - 3x + 9 - 2
-2x + 7 = -x - x + 3 + 4
....
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Cos theta = 75/115
theta = cos^-1 (75/115)
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17 years.
Step-by-step explanation:
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