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Alekssandra [29.7K]
3 years ago
9

If the coefficient of correlation is a positive value, then the slope of the regression line

Mathematics
1 answer:
ratelena [41]3 years ago
6 0

Answer:

must also be positive

Step-by-step explanation:

The sign of the correlation coefficient indicates whether the fitted line is sloping upwards or downwards, so it should be consistent with the sign of the slope of the fitted line. so if the correlation line is poitive so should the regression line

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Express the inequality a>−3.3 in interval notation
iren [92.7K]

Answer:

(-3.3,∞)

Step-by-step explanation:

a will be greater than -3.3

4 0
3 years ago
The minimum and maximum temperature for a day in Cupcake Town can be modeled by the equation below: 3|x − 8| + 15 = 18 What are
Anit [1.1K]
<span>3|x − 8| =18 - 15 = 3
</span>|x − 8| = 3/3 = 1
x − 8 = \pm1
x = \pm1 + 8
x = 1 + 8 or x = -1 + 8
x = 9 or x = 7
i.e. minimum temperature is 7 while the maximum temperature is 9

6 0
4 years ago
I don't know how to get X
never [62]

Answer:

x=10

Step-by-step explanation:

P+S=140

(5x+30)+80=140

5x+30=80

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7 0
3 years ago
Read 2 more answers
Plz help me .....simplify the ratio of 0,0064kg to 32 grams<br>​
Degger [83]

9514 1404 393

Answer:

  1/5

Step-by-step explanation:

1 kg = 1000 g so your ratio is ...

  \dfrac{0.0064\text{ kg}}{32\text{ g}}=\dfrac{0.0064\cdot1000\text{ g}}{32\text{ g}}=\dfrac{6.4}{32}=\boxed{\dfrac{1}{5}}

4 0
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360 kilometers is 24 percent of what number
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360 kilometers is 24 percent of 1500 kilometers. Hope it help!
7 0
4 years ago
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