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Ber [7]
3 years ago
9

Fiona wrote the predicted and residual values for a data set using the line of best fit y=3.71x-8.85. Which statements are true

about the table? Select three options. The data point for x = 1 is above the line of best fit. The residual value for x = 3 should be a positive number because the data point is above the line of best fit. Fiona made a subtraction error when she computed the residual value for x = 4. The residual value for x = 2 should be a positive number because the given point is above the line of best fit. The residual value for x = 3 is negative because the given point is below the line of best fit.
Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

answer is 1, 4, 5 (just took the test, those are the answers)

Step-by-step explanation:

Vlad [161]3 years ago
3 0

Answer:

1,4 and 5

Step-by-step explanation:

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The populations of Cities A and B are 1.6 x 10^5 and 1,070,000​, respectively. The population of City C is twice the population
Semenov [28]

Answer:

13.375 times

Step-by-step explanation:

1,070,000 times 2=2,140,000. 2,140,000 divided by 160,000=13.375.

3 0
3 years ago
What is the equation of a line, in point slope form that passes through (-2, -6) and has a slope of 1/3 ​
andreyandreev [35.5K]

<u>Answer:</u>

The equation of a line, in point slope form that passes through (-2, -6) and has a slope of 1/3 ​is y+6=\frac{1}{3}(x+2)

<u>Solution:</u>

Given that line passes through (-2, -6) and has slope of 1/3

We have to find the equation of the line

The point slope form is given as

y-b=m(x-a)

where m is the slope of the line and a, b are the x, y coordinates of the given point through which the line passes.

Here in this question, m = 1/3 and a = -2 and b = -6

By substituting in point slope form we get,

y - (-6) = \frac{1}{3}(x - (-2))\\\\y + 6 = \frac{1}{3}(x + 2)

Hence the equation of a line, in point slope form that passes through (-2, -6) and has a slope of 1/3 ​is y+6=\frac{1}{3}(x+2)

3 0
3 years ago
I need help with this​
zhenek [66]

Answer:

6 1/5 = 31/5 and 2 3/4 = 11/4 as improper fractions, hope this helps!

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Hey you ‼️ yeah I unfortunately need your help again these are hard:(
Helga [31]

Answer:

Step-by-step explanation:

The point of this question is to find out the point where two lines intersect. First we need to get the equation of those lines

Slope of line 1:

(Yb -Ya)/(Xb - Xa) =

(-10 - (-14))/(-1 - (-3)) =

4/2 =

2

Use that slope to find the Y-intercept of line 1

y = 2x + b

-14 = 2(-3) +b

-14 = -6 + b

-8 = b

Therefore Line 1 is:

y = 2x - 8

Slope of line 2

(11 - 13)/(-1 - (-3)) =

-2/2 =

-1

Y-intercept of line 2

y = -x + b

13 = -(-3) +b

13 = 3 + b

10 = b

Therefore line 2 is

y = -x + 10

Now we have 2 equations to solve for the coordinates x and y

y = 2x - 8

y = -x + 10

Substitute y out in one of the equations

2x - 8 = -x + 10

3x = 18

x = 6

Plug x into one of the equations

y = 2(6) - 8

y = 12 - 8

y = 4

Therefore the solution is:

x=6, y=4

8 0
3 years ago
Read 2 more answers
The average grade of an English class rose fro 70 to 85, what is the approximate percent increase?
hodyreva [135]

Answer:

Step-by-step explanation:

85 - 70 = 15

15/70 = 0.21428571428

Round to .21

Move decimal over twice to the right

21%

5 0
2 years ago
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