(2, 8)
Because you cannot divide by 0, which 2 would do to the bottom.
D.
first of all we know if a half circle rotates 360°we will get a sphere, with a quarter circle, we will get a semi sphere. therefore we can eliminate choices A and B
with the diagram, the radius is 5, the diameter is 5*2=10 which means D is the correct answer
The unit rate is 75 cents or 0.75
Using proportions, it is found that she earned $943,000 from CD sales.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.
The total amount involved in the sells and downloads are:
1.22 x 5 + 2.1 x 1 = 8.2 million.
She was paid 11.5% of that, hence:
0.115 x 8.2 = 0.943 million = $943,000.
She earned $943,000 from CD sales.
More can be learned about proportions at brainly.com/question/24372153
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He should change the coefficient 5
