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ch4aika [34]
3 years ago
8

If y varies directly with X and Y equals 21 when X equals 3 find Y if x =5

Mathematics
2 answers:
Veronika [31]3 years ago
6 0

Answer:

35

Step-by-step explanation:

y = k*x

21 = k*3

k = 7

x=5  .. y = 7 * 5 = 35

never [62]3 years ago
5 0

Answer: X = 5 and Y = 35

Step-by-step explanation:

Y is 21 when x is 3. Divide both x and y by 3 giving you y=7 and x=1. Then multiply both sides by 5 giving you x=5 and y=35

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brainly.com/question/14391067

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