12x > 9(2x-3)-15
distribute the 9
12x > 18x-27 -15
combine like terms on the right side
12x > 18x-42
subtract 18x from both sides
-6x > -42
divide both sides by -6
x = -42 / -6 = 7
x >7
Answer:19.625
Step-by-step explanation:
Answer:
He does not divide the numerator and the denominator by the same number. Nicholas divides 20 by 5 and 30 by 6. He ought to have divided 30 by 5 as well and then simplified.
P.S. Nicholas should have just divided both 20 and 30 by 10 to simplify in one step
29.25, 20.5, 37.06, 13.875, 55.2
Answer:
D) 
Step-by-step explanation:
In the circumference, 20 represents the diameter, and the radius is <em>half</em> the diameter, so take half of it to get 10. Then use it in the area formula:
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