4 years ago

How do I find and mean within the data set?

1 answer:

7 0

The mean is like the average. you would add up all the numbers and divide by the amount of numbers there are. in this case, add them all up and divide by 6 because there are 6 different numbers. this will give you your answer

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All vertical and horizontal cross-sections of any one cube are all the same size and shape. What about vertical and horizontal c

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3 years ago

The question is this: Rationalize the denominator and simplify.

Neko [114]

9514 1404 393

Answer:

$\dfrac{20+5\sqrt{3}}{13}$

Step-by-step explanation:

Multiply numerator and denominator by the "conjugate" of the denominator.

$\dfrac{5}{4-\sqrt{3}}=\dfrac{5(4+\sqrt{3})}{(4-\sqrt{3})(4+\sqrt{3})}=\dfrac{20+5\sqrt{3}}{4^2-(\sqrt{3})^2}=\boxed{\dfrac{20+5\sqrt{3}}{13}}$

This is done in different scenarios in order to take advantage of the factoring of the difference of squares. Square root terms and imaginary terms in the denominator can be eliminated in this way.

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3 years ago

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pickupchik [31]

Answer:

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3 years ago

What is 64/7 in simplest form

vichka [17]

It already is in simplest form. In mixed fraction, it would be 9 1/7

5 0

3 years ago

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I think the answer is 1/16 ...not for sure tho

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4 years ago