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alukav5142 [94]
3 years ago
10

Which ratio forms a proportion with 2/5

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Answer:

Pairs of ratios that form a proportion

A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "twenty is to twenty-five as four is to five."

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One brother says of his younger brother: “Two years ago, I was three times as old as my brother was. In three years’ time, I wil
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17

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Let us suppose two years ago my brother's age was x years

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In the figure, m and n are rays.
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Answer:

A is correct because 1 and 3 are vertical angles.

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