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sdas [7]
2 years ago
10

Andy was given data to draw 3 scatter diagrams.

Mathematics
1 answer:
vredina [299]2 years ago
6 0

Answer:

A) Negative Correlation. B) C. C) B

Step-by-step explanation:

<h2>A:</h2>

As the line of best fit is travelling downwards, it is a negative correlation, if the line of best fit is travelling upwards, it is a positive correlation, if the points on the graph are all over the place, there is no correlation.

<h2>B:</h2>

As there are only three types of correlation, the strongest is always the positive.

<h2>C:</h2>

The answer is B because there is no correlation and that means that there shouldn't be a line of best fit.

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Create a linear equation in slope intercept form that contains the points (1,4) and (4,7).​
S_A_V [24]

Answer:

y = x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 4) and (x₂, y₂ ) = (4, 7)

m = \frac{7-4}{4-1} = \frac{3}{3} = 1, hence

y = x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation.

Using (1, 4), then

4 = 1 + c ⇒ c = 4 - 1 = 3

y = x + 3 ← equation in slope- intercept form

4 0
4 years ago
Mr. Fernandez is mixing soil for his garden. He wants the soil to be in the
Alex17521 [72]

Answer:

0.4 to 1

Step-by-step explanation:

2 1/2=2.5

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3 0
3 years ago
Find the x- and y-intercept of the line. <br><br> –3x + 9y = 18
Mnenie [13.5K]
Line <span>–3x + 9y = 18
</span>
x-intercept when y = 0
so -3x = 18
        x = -6

y-intercept when x = 0
so 9y = 18
       y = 2

answer
x-intercept (-6,0)
y-intercept (0, 2)

hope it helps
4 0
3 years ago
PLEASE HELP ASAP. Determine if the following lines are parallel, perpendicular,Identical,or neither y= 1/3x+4 and 3x+y=5
earnstyle [38]
Neither. When graphing both lines they intersect but are not perpendicular.
6 0
3 years ago
Which is 216 written as a power of a number?
slavikrds [6]
A.63
then answer for user
if a and b has power 4 and 2 respectively the the answer will be, 51
and if not power then,
25
hope it will help you
5 0
3 years ago
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