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dalvyx [7]
3 years ago
11

Can someone check my answers if they are correct or incorrect? If it is incorrect, please let me know why it is incorrect please

.

Mathematics
1 answer:
vivado [14]3 years ago
7 0
This answer is incorrect, try again
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Graph the set of points. which model is most appropriate for the set (-6 4) (-4 0) (-3 -2) (-1 -7)
Free_Kalibri [48]

Answer:

The linear regression model is y=-2.19x-8.92.

Step-by-step explanation:

The given data points are (-6 4) (-4 0) (-3 -2) (-1 -7). Plot these points on a coordinate plane.

From the graph it is clear that the point are in the form of a straight line, so we need to use the linear regression model.

The general linear regression model is

y=ax+b

Using technology we get

a=-2.1923076923\approx -2.19

b=-8.9230769231\approx -8.92

Put a=-2.19 and b=-8.92 in  the above equation.

y=-2.19x-8.92

Therefore the linear regression model is y=-2.19x-8.92.

8 0
2 years ago
BRAINLIEST PLEASE ANSWER FAST What is 12.5% written as a decimal? 0.00125 0.125 1.25 12.5
r-ruslan [8.4K]
Your answer is .125.
4 0
2 years ago
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Can somebody help me with this, please?
babunello [35]

Answer:

2/3x

Step-by-step explanation:

This is a simple ax graph. all we need is the slope. the slope is the amount the y goes divided by the amount the x goes. essentially

change in y / change in x

2/3

2/3x

4 0
2 years ago
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Use graph to answer question
slamgirl [31]

Answer:

cos(θ) = 3/5

Step-by-step explanation:

We can think of this situation as a triangle rectangle (you can see it in the image below).

Here, we have a triangle rectangle with an angle θ, such that the adjacent cathetus to θ is 3 units long, and the cathetus opposite to θ is 4 units long.

Here we want to find cos(θ).

You should remember:

cos(θ) = (adjacent cathetus)/(hypotenuse)

We already know that the adjacent cathetus is equal to 3.

And for the hypotenuse, we can use the Pythagorean's theorem, which says that the sum of the squares of the cathetus is equal to the square of the hypotenuse, this is:

3^2 + 4^2 = H^2

We can solve this for H, to get:

H = √( 3^2 + 4^2) = √(9 + 16) = √25 = 5

The hypotenuse is 5 units long.

Then we have:

cos(θ) = (adjacent cathetus)/(hypotenuse)

cos(θ) = 3/5

5 0
3 years ago
There are 2 squares and 8 circles. What is the simplest ratio of squares to total shapes?​
Veronika [31]

Answer:

1/4

Step-by-step explanation:

3 0
2 years ago
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