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kherson [118]
3 years ago
13

Ms. MacArthur surveyed students to find the amount of time they spent reading and watching TV last week. The scatter plot below

shows the results of her survey and a linear model for her data.James said that, according to the data a student whi watches 6 hours of Tv each week will read for 10 hours ecah week. is james correct why or why not ?

Mathematics
1 answer:
ivann1987 [24]3 years ago
4 0

Answer:

No, because James has confused the hours of watching tv with the hours of reading.

Step-by-step explanation:

This is incorrect. According to the graph, what we have is a point on the line at (6, 10), which implies that a student who reads for 6 hours will watch tv for 10 hours.

It is very likely that James is confusing the hours of watching tv with the hours of reading.

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Vinvika [58]

Answer:

x = -15/2

Step-by-step explanation:

For this problem, we will simply use equation properties to solve for x.

2x - 5 = -20

2x - 5 + 5 = -20 + 5

2x = -15  ( Add positive 5 to both sides )

2x * (1/2) = -15 * (1/2)

x = -15/2  ( Multiply both sides by 1/2)

Hence, the solution to x is -15 / 2.

Cheers.

4 0
3 years ago
Read 2 more answers
Answer :)<br><br>--<br><br>show your work if you can will give brainliest to best answer
Flauer [41]

Answer:

2: x=6

3: x=5

Step-by-step explanation:

Question 1 is answered in the picture, but the answer is 6

<h2>Question 2:</h2>

x=14.3-(6.3+2)

x=14.3-8.3

x=6

<h2>Question 3:</h2>

x=20.6-(8.6+7)

x=20.6-15.6

x=5

6 0
3 years ago
Jill rides her bike to her friend’s houses. Marge lives 3 miles away and Rocky lives 5 miles away. Eva lives 4 miles away and Pe
STALIN [3.7K]

Answer:

She will ride an average of 5 miles

Step-by-step explanation:

To calculate the average, add all the values together and divide by the amount of values:

3 + 5 + 4 + 8 = 20

20 ÷ 4 = 5

Average of 5 miles

4 0
3 years ago
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astraxan [27]
The answer is B.

14 + 15x
14 + 15(5)
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7 0
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The quantity is called the pooled variance estimate of the common variance of two unknown but equal population variances. It is
lozanna [386]

Answer:

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Step-by-step explanation:

The pooled variance method is used to estimate the variance of several different population with different means, but are assume to have the same variance.

The weights represent the sample variances.

So the correct answer is

sample variances

5 0
3 years ago
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