Which proportion is equivalent to a/b = c/d

Mathematics

2 answers:

earnstyle [38]3 years ago

6 0

A.....................................

PilotLPTM [1.2K]3 years ago

4 0

The proportion equal to a/b = c/d is A.) A/C = B/D

We will know if a proportion is equivalent when its cross products are equal.

a/b = c/d where ad = bc

since ad = bc, a/c = b/d

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ExtremeBDS [4]

Using the number line, the numbers that are 9 units from -5 are: -14 and 4.

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To find two numbers that cover the same units from a given point on a number line, we can simply do the following:

Count the number of units given backwards/to the left from the point stated to get the first number.
Count the number of units given forwards/to the right from the point stated to get the second number.

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Count 9 units forwards/to the right from the -5 to get the second number, which is: 4.

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