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Oliga [24]
3 years ago
6

The equation of the line of best fit of a scatter plot is y = –7x – 2. What is the the y-intercept? (4 points)

Mathematics
2 answers:
slava [35]3 years ago
6 0
-2

I just took this class for Algebra 1... it would be -2

y=mx+b

this is the equation you will use for these problems. the "b" in the equation represents the y intercept. In this specific problem -2 is the y intercept
Sergeu [11.5K]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

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Plz help..................
Elenna [48]
D) 6x =^3 y^2

find the largest number and (square, i guess) that can go into both of them
5 0
3 years ago
Write the base four representation for 18 to 23 inclusive
seraphim [82]
\dfrac{18}4=4+\dfrac24

which means 18 can be divided by a higher power of 4 to get a quotient smaller than 4. Indeed,

\dfrac{18}{4^2}=\dfrac{18}{16}=1+\dfrac24

Now divide the remainder by 4 gives

\dfrac24=0+\dfrac24

and so

18_{10}=102_4

Now the next four numbers are easy to find.

19_{10}=103_4
20_{10}=110_4
21_{10}=111_4
22_{10}=112_4
23_{10}=113_4
3 0
3 years ago
The table shows data from a survey about the number of times families eat at restaurants during a week. The families are either
Yakvenalex [24]

Answer:

Answer:

Both centres are best described by the median.

Step-by-step explanation:

Here is a summary of the statistics from your data.

City      Min    Q1   IQR     Q3     Max     Median   Mean    σ    

Rome      0     3.60  8.65  12.25     16         8.25       7.99     5.20

NY           1      2.25  4.69   6.64     20        5.45       6.39     5.91

The box plots below show that both centres are best described by the median.

The outlier in the New York data greatly distorts the mean but does not affect the median. The mean without the outlier would have been 4.45.

7 0
3 years ago
Read 2 more answers
I need to find the area<br><br><br>there are 3 rectangles and a trapezoid <br><br>show how plz
Evgesh-ka [11]
The area of a rectangle is length x width. We can find the 3 areas of the rectangles with this formula:

20 x 5 = 100
100 yd²

15 x (20-14) = 90
90 yd²

14 x 10 = 140
140 yd²

The area of a trapezoid is 1/2(b1+b2)h
In this problem:

b1=25-15-5
b1=5
b2=10
h=20-14
h=6

We can then plug this into the formula:

A = 1/2(5+10)(6)
A = 1/2(15)(6)
A = 45 yd²

We can then get the area of the whole polygon by adding up the areas of the three rectangles and trapezoid:

A = 100+90+140 + 45
A = 375 yd²
8 0
3 years ago
Write the equation of the line of best fit using the slope-intercept formula y=mx+b. Show all your work, including the points us
Colt1911 [192]

The equation of the line of best fit using the slope-intercept formula y=mx+b is y = x - 5

<h3>Equation of the line of best fit</h3>

A line is the shortest distance between two points. The equation in point-slope form is expressed as:

y =. mx + b

m is the slope

b is the y intercept

Using the coordinate points (25, 20) and (60, 55)

Slope = 55-20/60-25
Slope = 35/35
Slope = 1

For the intercept

20 = 1(25) + b

b = 20 - 25

b = -5

Substitute

y = x + (-5)

y = x - 5

Hence the equation of the line of best fit using the slope-intercept formula y=mx+b is y = x - 5

Learn more on line of best fit here: brainly.com/question/17013321

#SPJ1

5 0
1 year ago
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