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mariarad [96]
3 years ago
9

How do I find the line of best fit? What’s the answer?

Mathematics
1 answer:
Ksivusya [100]3 years ago
5 0
It’s just the line of the graph that goes to the middle of your points . You can also graph this on Microsoft excel has a function to find the best fit of a line . I hope this helps
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Someone please help fast it’s for a test
Vesnalui [34]

Answer:

The answer is 15

Step-by-step explanation:                                                                                           They give you the answer for x, f(x) = f(2)

f(2)=2(2)^2 + 6(2) - 5                                                                                                        f(2)=2(4) + 6(2) - 5                                                                                                               f(2)=8 + 12 - 5                                                                                                                     f(2)=15

6 0
3 years ago
Read 2 more answers
Help !!!! due today!!! #5 and #6
Nitella [24]
Your #5 solution is already correct.
A linear function has the form y=mx+b
you have noticed that y increases by 5 for every 10 steps along x. Therefore, your slope m is 5/10=1/2.
b is your y value at x=0
so y=(1/2)x+5

Additionally, you can calculate it with 2 points
using (10, 10) and (20, 15) and the elimination method just inserting x and y into the basic form
I:10=10m+b
II:15=20m+b
subtraction of II from I:
-5=-10m
-1=-2m
->m =1/2
insert this in I again:
10=10*(1/2)+b
10=5+b
5=b
again y=(1/2)x+5
4 0
3 years ago
The function f(h)=8.5h+320 models the amount of money Amy has in her savings after each hour of work.
Ksenya-84 [330]

Answer:

a) h: Number of hours

b) Slope of function

c) y-intercept

Step-by-step explanation:

We are given the following in the question:

f(h)=8.5h+320

The above function tells us about amount of money Amy has in her savings after each hour of work.

a) value of "h"

The above function tells us about the money saved by Amy after each hour of work.

Thus, h here stands foe the number of hours.

b)  meaning of the coefficient h

Comparing the given function to a linear function:

f(h) = mh + c

Thus, coefficient of h is the slope of the function and tells the change in amount of money saved by Amy per unit hour or it tells the change in amount of money when there is a unit increase in hour.

c) meaning of constant

The constant is the y-intercept and tells the amount of money saved by Amy after she have worked for zero hours.

3 0
3 years ago
What is the y intercept of the line with the equation y=2x+8
Mashcka [7]

Answer:

in the point slop form y=2x+8

the slope is 2

the y intercept is 8

6 0
3 years ago
Read 2 more answers
Evaluate the polynomial for x=9 <br> -7x+6 please show your work
solmaris [256]

Answer:

  -57

Step-by-step explanation:

Put the value of x where x is and do the arithmetic.

  -7·9 +6 = -63 +6 = -57

6 0
4 years ago
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