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statuscvo [17]
3 years ago
8

Maya collected data about the number of ice cubes and milliliters of juice in several glasses of juice and organized the data in

to this table.
3
Ice Cubes
Juice (milliliters)
2
234
3
202
5
1 40
5
155
177
210
265
She used a graphing tool to display the data in a scatter plot, with x representing the number of ice cubes and yrepresenting the milliliters of
juice. Then she used the graphing tool to find the equation of the line of best fit:
y=-29.202x+ 293.5.
Based on the line of best fit, approximately how many milliliters of juice will be in a glass with 7 ice cubes?
A
10
B. 89
OC.
D. 208
Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer: B. 89

Step-by-step explanation:

-29.202x7= -204.414

-204.414+293.5= 89.086

So the answer is B. 89

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VladimirAG [237]

Answer:

Margin of error  for a 95% of confidence intervals is 0.261

Step-by-step explanation:

<u>Step1:-</u>

 Sample n = 81 business students over a one-week period.

 Given the population standard deviation is 1.2 hours

 Confidence level of significance = 0.95

 Zₐ = 1.96

Margin of error (M.E) = \frac{Z_{\alpha  }S.D }{\sqrt{n} }

Given n=81 , σ =1.2 and  Zₐ = 1.96

<u>Step2:-</u>

<u />Margin of error (M.E) = \frac{Z_{\alpha  }S.D }{\sqrt{n} }<u />

<u />Margin of error (M.E) = \frac{1.96(1.2) }{\sqrt{81} }<u />

On calculating , we get

Margin of error = 0.261

<u>Conclusion:-</u>

Margin of error  for a 95% of confidence intervals is 0.261

<u />

4 0
4 years ago
(Picture Included) 20 points - can someone solve 11, 12, 13, and 15?
slavikrds [6]

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15 + 8 = 13


12.  x= -12

13. -30

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6 0
4 years ago
50 is decreased to 19. what is the percent of change?
Delicious77 [7]
62% percent change is it
8 0
3 years ago
Juan has $10. He recently got a job and now makes $9.15 an hour. He now has $760.30. How many hours has he worked?
marissa [1.9K]

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6 0
3 years ago
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Explain how solving an equation with variables on both sides of the equation is different than solving an equation with a variab
Jobisdone [24]

Answer:

See explanations below

Step-by-step explanation:

Given the equation

6x-9 = 15

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x = 24/6

x = 4

For the equation

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Since we have x variables on both sides, we will collect the like terms

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Divide both sides by 11

11x/11 = 64/11

x = 64/11

x = 5.82

Hence the value of x is 5.82

6 0
3 years ago
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