THE property of two rational numbers is -28/81. If one of them is -2/3, then find the other.
1 answer:
The answer is:
(-28/81)/(-2/3) = -84/(-162) = 42/81
Work
Think of this simple question:
Two number when multiplied together give 15. If one number is 5, then the other is (15/5)=3.
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32.5
Step-by-step explanation:
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The size of the population mean would be provided as:
mean +/- std/sqrt(sample size)
<=>
87.3 +/- 13.6/sqrt(175)
<=>
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=> Option B is correct.
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<u>graphically</u> :
The graph is symmetrical about the origin.
Then it represents an odd function.
<u>symmetry </u>:
The origin is a center of symmetry.
