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Sliva [168]
3 years ago
8

Colby graphed a scatter plot of student exam scores (y) and the number of hours each student had slept the night before the exam

. She drew the trend line and calculated its equation to be y=9/2x + 60. What is the predicted score for a student who slept 6 hours the night before the exam?
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

DjAnswer:

Step-by-step explanation:09981

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Read 2 more answers
147.1 is what percent of 155
Harrizon [31]
Solution for what is 147.1% of 155

155/x=100/147.1
(155/x)*x=(100/147.1)*x       - we multiply both sides of the equation by x
155=0.67980965329708*x       - we divide both sides of the equation by (0.67980965329708) to get x
155/0.67980965329708=x 
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now we have: 
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3 years ago
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atroni [7]
In fact the answer to that would be A. 186 square units.
lets divide the polygon into sections.
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Hope this helped.
3 0
4 years ago
Ameee worked 3 times as many hours as Simi each week during the summer. If Simi worked 10 hours each week, how many hours did Am
defon

Answer:

3 ×10=30

Step-by-step explanation:

multiply 3 times 10

4 0
3 years ago
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