Which expression is equal to 3(5+6) ?
2 answers:
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Answer:
<em>TIM'S ANSWER IS WRONG.</em>
The correct simplification is .
Step-by-step explanation:
Given the difference expression
Tim's answer :
<em />
<em>TIM'S ANSWER IS WRONG. </em>
Let us correctly simplify the difference expression
As
Combine Like Terms:
∵
Hence, the correct simplification is .
<em>Keywords: operation, difference</em>
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Answer:
24.5
Step-by-step explanation:
A calculator or spreadsheet is good for doing this sort of computation.
_____
You add up the magnitudes of the differences between the given y-value and the corresponding value you get from the equation. For the first couple of points, these values are ...
... |3 - (0.1·1 +2.9)| = 0
... |2.5 -(0.1·6 +2.9)| = |2.5 -3.5| = 1
The computation proceeds like this for the remaining 6 points, and the numbers added. The result is 24.5.
