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mestny [16]
3 years ago
6

Help idk how to do it

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0

Answer:

140

Step-by-step explanation:

Angle 4 is congruent to angle 2 by corresponding angles postulate.  Therefore, angle 2 is also 40.  Angle 2 and angle 3 are supplementary, or add up to 180 because they are on a straight line.  140 and 40 add up to 180 so angle 3=140 degrees

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What measure in linear-regression analysis provides the percent of variation in the dependent variable (y) that is explained by
Nadya [2.5K]

The measure in linear-regression analysis that provides the percent of variation in the dependent variable as explained by the regression equation is the Coefficient of Determination.

<h3>What is the Coefficient of Determination?</h3>

This is a measure that allows us to see just how much the variation in the dependent variable, is as a result of the independent variable and is therefore explained by the regression equation.

The Coefficient of Variation is very important because it helps to show the usefulness and accuracy of the regression equation model.

Find out more on the coefficient of variation at brainly.com/question/19616808

#SPJ1

3 0
1 year ago
Permitter question!! giving points!!
kompoz [17]

Answer:

2L + 2W = 88

L = W + 12

L = 28 feet & W = 16 feet

Step-by-step explanation:

2L + 2W = 88

[] The perimeter of a rectangle is length + length + width + width, shortned as 2(legnth) + 2(width) and since the perimeter of the garden is 88, this option works.

L = W + 12

[] The length is 12 feet longer than the width, so the width + 12 will equal the length

Solving:

{ 2L + 2W = 88

{ L = W + 12

[Plug-in] 2(W + 12) + 2W = 88

[Distribute] 2W + 24 + 2W = 88

[Combine like terms] 4W + 24 = 88

[Subtract 24 from both sides] 4W = 64

[Divide both sides by 4] W = 16

L = W + 12 -> L = (16) + 12 -> L = 28

Have a nice day!<em> - Side note, is your screen okay? lol</em>

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

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3 years ago
Ax+c/3=d solve for x
zvonat [6]
Ax +c/3 =d now we can make crisscross
ax+c =3d now find value of x
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Answer:

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Step-by-step explanation:

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Alona [7]

Answer:

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Step-by-step explanation:

you would use the reciprocal when changing it from division to multiplication. So, it would be -8x-2 which equals 16.

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