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german
3 years ago
8

John is trying to find the relationship between a student's age and the number of pets that he or she owns. He collects data fro

m a
random sample of students at his high school. He plots the data on a scatter plot.
What relationship between age and number of pets is John most likely to see?
A constant
B. negative
C. positive
D. no correlation
Mathematics
1 answer:
LenaWriter [7]3 years ago
3 0
Positive

Explanation: I’m guessing as you get older, you get more responsible, so you have more pets
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A set of data points has a line of best fit of y=-0.2x+1.8. What is the residual for the point (5,1)?
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Hello!

The residual for the point (5,1) is

To calculate residuals, we need to calculate the value of the line of best fit in the same x coordinate as the point we want to study to know the Predicted-y-value. To do so, we make the substitution of 5 into the equation:

y=-0,2x+1,8 \\ y=-0,2*(5)+1,8=0,8

Now we determine the residual with the following equation:

Residual=yobs-ypred=1-0,8=0,2

Have a nice day!
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A Ferris wheel has a radius of 37 feet. The bottom of the Ferris wheel sits 0.6 feet above the ground. You board the Ferris whee
Darya [45]

Answer:For the first one, it should be f(a)=37.8(1-cos(a))+.7. My dearest apologies because I do not know why. I just used context from the previous questions. I hope that helps..!

Step-by-step explanation:

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Paladinen [302]

3 cm/h easy peasy

Step-by-step explanation:

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2 years ago
Tanya is printing a report. There are 96 sheets of paper in the printer, and the number of sheets p left after t minutes of prin
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Answer:

0 = -8t + 96\\\\\Rightarrow\ 8t=96\\\\\Rightarrow\ t=\dfrac{96}{8}\\\\=12

<h3>Hence, it will take 12 minutes by the printer to use all 96 sheets of paper.</h3>

Step-by-step explanation:

Given :

Tanya is printing a report.

There are 96 sheets of paper in the printer, and the number of sheets of paper p left after t minutes of printing is given by the function

p(t) = -96 - 8t

When all the 96 sheets printed , then the number of sheets will left to print =0

Substitute p(t)=0 in the given function, to find the value of t, we get

0 = -8t + 96\\\\\Rightarrow\ 8t=96\\\\\Rightarrow\ t=\dfrac{96}{8}\\\\=12

<h3>Hence, it will take 12 minutes by the printer to use all 96 sheets of paper.</h3>
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3 years ago
Describe how the graph of the function is related to the graph of its parent function.
SashulF [63]

Answer:

B

Step-by-step explanation:

The -2 reflects across the x -axis

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