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frez [133]
3 years ago
8

3/7 =9/x solve the following proportions ( they are fractions) thanks!

Mathematics
1 answer:
tresset_1 [31]3 years ago
6 0
3/7 = 9/x
cross multiply because thats how u solve proportions
(3)(x) = (7)(9)
3x = 63
x = 63/3
x = 21

and if u will notice : 3/7 and 9/21 ....9/21 reduces to 3/7....so these are equivalent fractions...because proportions are nothing but equivalent fractions
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Step-by-step explanation:

Data

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Process

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                  0 = -4.9t² + 0t + 8

2.- Simplification

                  0 = -4.9t² + 8

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4.- Result

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