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beks73 [17]
3 years ago
9

Simplify x + x + y y

Mathematics
1 answer:
kolezko [41]3 years ago
4 0

Answer:

2x+2y

Step-by-step explanation:

x+x = 2x

y+y = 2y

2x+2y

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Which is equivalent to √3/√8 when denominator is "rationalized"?
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Step-by-step explanation:

\dfrac{\sqrt3}{\sqrt8}=\dfrac{\sqrt3\cdot\sqrt2}{\sqrt8\cdot\sqrt2}=\dfrac{\sqrt{3\cdot2}}{\sqrt{8\cdot2}}=\dfrac{\sqrt6}{\sqrt{16}}=\dfrac{\sqrt6}{4}

<h3>Used:</h3>

\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{a}=b\iff b^2=a\ \text{for}\ a\geq0\ \wedge\ b\geq0\\\\\sqrt{16}=4\ \text{because}\ 4^2=16

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Sheila has 11 1/2 pounds of potato salad. She wants to divide the potato salad into containers, each of which holds 1 3/4 pounds
Mice21 [21]

Hello!

<h2>Answer:</h2>

\boxed{ \bf Sheila~will~need~about~7~containers.}

__________________________________________________

<h2>Explanation:</h2>

First, we will need to convert the mixed fractions to improper fractions.

Numerators: (2 · 11) + 1 = 23

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Denominators: stay the same.

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Next, we must divide these two fractions:

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We must flip the divisor into a reciprocal:

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Change the division sign to multiplication and multiply:

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To find out how many containers will be needed, simply convert this fraction to a decimal by dividing the numerator by the denominator.

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