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2 answers:
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Answer:
The operation that will cancel out division is multiplication.
Step-by-step explanation:
For example:
*in order to solve for x, and get the upper equation without division, you must multiply by the negative reciprocal*
*to get x alone, we must subtract 4 from both sides*
Answer:
48
Step-by-step explanation:
Given that:
The interval for score = 60 - 42 = 18
If we divide it by the 3 standard deviations; the interval result into
= 18/3
= 6
So, the standard deviation is 6, and the mean = 42 + 6
= 48