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larisa86 [58]
2 years ago
12

A regression-based forecast has yielded a coefficient of correlation (r) equal to 0.754. What is the coefficient of determinatio

n?
Mathematics
1 answer:
Andreyy892 years ago
6 0

Answer:

0.568516

Step-by-step explanation:

To find the the Coefficient of determination you simply square r.

Just make sure you have the original r value and not the rounded value.

0.754^2 = 0.568516

and then depending on how many decimals you need to round to...

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106,719

Answer:

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2 years ago
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Use the graph to the right to write an equation of the line. What is the equation?​
Bingel [31]

Answer:

y = 1/4 x - 2

Step-by-step explanation:

To write the equation of a line, find from the line the slope and y-intercept. The y-intercept is where the line crosses the y-axis which here is at point (0,-2).

The slope of the line is found by writing a ratio between the vertical distance and the horizontal distance between points.

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3 years ago
The figure above shows a square inscribed in a rectangle.
slava [35]

Step-by-step explanation:

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3 years ago
Solve the following system of equations using the substitution method.
BartSMP [9]

Answer:

B

Step-by-step explanation:

First label the equations.

6x +3y= 18 -----(1)

y= -2x +5 -----(2)

subst. (2) into (1):

6x +3(-2x +5)= 18

6x +3(-2x) +3(5)= 18 (expand)

6x -6x +15= 18

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(reject)

There is no solution.

<u>Further explanation</u><u>:</u>

If I rewrite the first equation into the form of y=mx+c, I would get

6x +3y=18

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3 0
2 years ago
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Answer:

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Third one is a line which intersects both the parabolas as (5,0)

6 0
3 years ago
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