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Lilit [14]
3 years ago
7

14. Write an equation of the line using the slope and y-intercept. m = -5, b = -1

Mathematics
1 answer:
Paladinen [302]3 years ago
4 0

Slope-intercept form: y = mx + b

The answer is:

y = -5x - 1

Happy to help!

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E ( y ) = β 0 + β 1 x 1 + β 2 x 2 + β 3 x 3
GenaCL600 [577]

Answer:

b.For each additional dollar paid to a tutor, we expect exam score to increase by 1.5 points, holding number of hours of sleep per week and number of study hours fixed.

Step-by-step explanation:

Hello!

For any multiple regression model, you can define the estimated slope as "the change or modification of the estimated average of Y when one of the explanatory variables increases one unit while the others remain constant.

In this example the dependant variable is:

Y: Exam score

And you have three explanatory variables:

X₁: salary of the teacher ($).

X₂: hours of sleep per week of a student.

X₃: number of study hours of a student.

The estimated model is ŷ= 65 + 1.5X₁ + 0.2X₂ + 0.5X₃

You need to interpret the estimated slope of the amount paid to the teacher b₁= 1.5

The units of the slope are units of Y by units of X, in this case, Y has no units so it is 1/$.

Then we can say that for every additional dollar paid to the teacher, the estimated mean score of the exam will increase by 1.5 1/$ while the weekly sleep hours and study hours remain constant.

I hope it helps!

5 0
3 years ago
Jasper wants to buy a video game that costs $35. He has $10.50, and his weekly allowance is $5. If w represents the number of we
Ksju [112]

Answer:

He would have to wait for 5 weeks

Step-by-step explanation:

$5 x $5 = $25

$25 + $10.50 = $35.50

6 0
3 years ago
Read 2 more answers
Find the volume...!!
Rudiy27

Answer:

52.8

Step-by-step explanation:

cube volume formula: BH

                                   : 33 x 4.4 = 52.8

7 0
2 years ago
Read 2 more answers
The slope of the line y = 4x − 2 is:
Paladinen [302]

Answer: m = 4

Step-by-step explanation: This is a linear equation.

Linear equations can be written in the form y = mx + b where

the multiplier, m, represents the slope of the line and the <em>b</em>

or the constant term represents the y-intercept of the line.

So the slope of this line is simply the multiplier

which is the coefficient of the x term which is 4.

The variable that's used to represent slope is <em>m</em>.

So we say that m = 4.

6 0
3 years ago
For cheerleading practice, Kiara must be able to lift her legs so that they are parallel to her outstrached arms. For each side
podryga [215]
If this is the dance position you are describing, then the arm and the leg of the dancer both make "right" angles (90º angles) to the floor.
5 0
3 years ago
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