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topjm [15]
2 years ago
8

Express in the form 1 : n 4 : 12

Mathematics
2 answers:
kati45 [8]2 years ago
5 0

Answer:

n = 3

Step-by-step explanation:

1:n = 4:12

1/n = 4/12

Cross multiply.

4n = 12

n = 12/4

n = 3

Vesna [10]2 years ago
3 0

Answer:

1:3

Step-by-step explanation:

4:12 divides by 4 to give

1 : 3

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2 years ago
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Step-by-step explanation:

In order to find the number of solutions, we have to expand both sides out first.

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2 years ago
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3 years ago
ANSWER NEEDED QUICKLY, RIGHT ANSWER WILL RECEIVE BRAINLIEST ♦️
Oksi-84 [34.3K]

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the ratio is 1:15 so you do 7.4×15

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