Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard
1 answer:
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Answer:
or
Step-by-step explanation:
The opposite of is
Convert decimal number −0.75 to fraction .
Reduce the fraction to lowest terms by extracting and canceling out 25.
Least common multiple of 4 and 5 is 20. Convert and
to fractions with denominator 20.
Since and
have the same denominator, add them by adding their numerators.
Add -15 and 8 to get -7
Convert decimal number 0.4 to fraction . Reduce the fraction
to lowest terms by extracting and canceling out 2.
Least common multiple of 20 and 5 is 20. Convert and
to fractions with denominator 20.
Since and
have the same denominator, add them by adding their numerators.
Add -7 and 8 to get 1.
Least common multiple of 20 and 4 is 20. Convert and
to fractions with denominator 20.
Since and
have the same denominator, subtract them by subtracting their numerators.
Subtract 15 from 1 to get -14.
Reduce the fraction to lowest terms by extracting and canceling out 2.
or
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Answer:
Step-by-step explanation:
You need to remember the following equation:
Where a and b is the lengths of the two sides and c is the hypotenuse.
So simply plug these values into this:
36 + 49 = h^2
36 + 49 = 85
So the hypotenuse is the square root of 85:
<h2>Hope this helps!</h2>