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Ostrovityanka [42]
3 years ago
6

Select the pair(s) of ratios that form a proportion.

Mathematics
1 answer:
ryzh [129]3 years ago
5 0

Answer:

C is the only choice that forms a proportion

Step-by-step explanation:

a. 24/31, 20/27

(31 is prime)

b. 8/9, 24/36

(this one doesn't work since it would have to be 3/4) which isn't a proportion

c. 16/5, 64/20

(both 16/5  *4 = 64/20) so it works

d. 6/4 , 15/10

(similar situation to choice b the ratio wont work since 6 doesn't go into 15)

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Add 3 and 12 , cancel -2 y+2y and and add 14 and 14
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14=14=14
(x, y)=(28/15, -21/5) is the answer
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