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3 years ago

Which phrase best describes a scatter plot in which the variables are correlated with r = 0.79?

2 answers:

7 0

"Weak positive association" is the one phrase among the following choices given in the question that <span>best describes a scatter plot in which the variables are correlated with r = 0.79. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helped you.</span>

Inessa05 [86]3 years ago

3 0

Answer: D.) strong positive association

Step-by-step explanation:

The given correlation coefficient $r = 0.79$

Since its polarity is positive then it must represent a positive association.

We know that if the r value is closer to +1 or -1 then it tells that there is a stronger linear relationship between the two variables.

Also it lies between 0.5 to 1 i.e. 0.5 < 0.79 < 1, therefore it must represent a strong positive association between the two variables.

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Write y= 2/3 x +7 in standard form using integers

Shalnov [3]

Answer:

The standard form of $y= \frac{2}{3} x +7$ is -2 x + 3 y = 21.

Step-by-step explanation:

Here, the given expression is : y= 2/3 x +7

The standard form of the equation is ax + by = c

Now, simplifying the above expression:

$y= \frac{2}{3} x +7 \implies y - 7 = \frac{2}{3} x$

or, $3(y-7) = 2x \implies 3y - 21 = 2x$

or, -2x + 3y = 21

Hence, the standard form of $y= \frac{2}{3} x +7$ is -2x + 3y = 21.

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3 years ago

A migrating bird flies 576 miles in 16 hours.How many miles does it fly in 3 hours

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Answer: It flies 108 miles in 3 hours.

Step-by-step explanation:

576/16 = 36

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36 * 3 = 108

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3 years ago

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schepotkina [342]

The family need to save minimum $2375 for each month. Hoped it help!

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3 years ago

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Is this graph proportional?

LenKa [72]

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2 years ago

Find the permeter of a quadrilateral with vertices at C (2,4), D(1,1), E(5,0), and F(3,4). Round your answer to the nearest hund

denpristay [2]

Answer:

12.76

Step-by-step explanation:

This is much easier to solve if you draw it out on a graph. The perimeter is the sum of all the sides. I used the Pythagorean theorem to find the hypotenuse.

${a}^{2} + {b}^{2} = {c}^{2} \\ c = \sqrt{ {a}^{2} + {b}^{2} }$

$dc = \sqrt{ {3}^{2} + {1}^{2} } = \sqrt{10} \\ cf = 1 \\ fe = \sqrt{ {4}^{2} + {2}^{2} } = \sqrt{20} \\ de = \sqrt{ {1}^{2} + {4}^{2} } = \sqrt{17} \\ \sqrt{10} + 1 + \sqrt{20} + \sqrt{17} = 12.76$

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3 years ago