Judy,Jeff and Jim each earned $5.40 raking leaves. How much did they earn together?
2 answers:
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Answer:
Step-by-step explanation:
Rewrite the equation into y=mx+b form by rearranging terms using inverse operations.
17x + 11y = 17 Subtract 17x from both sides.
-17x -17x
---------------------------
11y = 17 - 17x Divide by 11 on both sides.
y = 17/11 - 17/11 x
The slope intercept form is .
<h2>Answer:</h2>
Option: A is the correct answer.
A. -0.903
<h2>Step-by-step explanation:</h2>The formula to calculate correlation coefficient r is given by:
x y xy x² y²
4 23 92 16 529
5 12 60 25 144
8 10 80 64 100
9 9 81 81 81
13 2 26 169 4
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∑ 39 56 339 355 858
Also n=5 ( as there are 5 data points )
Hence, we get:
Hence, the r-value of the following data, to three decimal places is:
A. -0.932