3 years ago

Solve for the variable in each equation.

Mathematics

1 answer:

vaieri [72.5K]3 years ago

5 0

All of the answers are 0

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geniusboy [140]

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3 years ago

Simplify 2m - [n - (m - 2n)]. -3m - n 3m - n -3m - 3n 3m - 3n

VMariaS [17]

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2m - n + (m - 2n)

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Answer is D.

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Gennadij [26K]

Answer:

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Step-by-step explanation:

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3 years ago

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Fractions: three oil tankers together contain 37 5/7 litres of oil. If two tankers have 11 3/14 litres and 12 3/7 litres of oil.

ale4655 [162]

Step-by-step explanation:

It is given that, three oil tankers together contain 37 5/7 litres of oil.

Total volume of oil is $\dfrac{264}{7}\ L$

If two tankers have 11 3/14 litres and 12 3/7 litres of oil.

Oil in first tanker is $\dfrac{157}{14}\ L$

Oil in second tanker is $\dfrac{87}{7}\ L$

Oil in first and second tanker is :

$\dfrac{157}{14}\ L+\dfrac{87}{7}\ L=\dfrac{331}{14}\ L$

Noo, oil in the third tanker = total volume - (Oil in first tanker + second tanker )

$=\dfrac{264}{7}\ L-\dfrac{331}{14}\ L\\\\=\dfrac{197}{14}\ L$

Hence, this is the required solution.

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3 years ago

An equation that sets two fractions equal to each other is called a ____.

Shkiper50 [21]

An equation that sets two fractions equal to each other is called a proportion. A proportion is a name we give to a statement that two ratios are equal. When two ratios are equal, then the cross products of the ratios are equal. Hope this helps.

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4 years ago

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