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Temka [501]
2 years ago
12

Are the ratios 1:4 and 5:20 equivalent?

Mathematics
1 answer:
lukranit [14]2 years ago
8 0

Answer:

YES

Step-by-step explanation:

1:4 can be written as: \frac{1}{4} \\
, and we know to make and equivalent fraction you multiply by a constant. so,

\frac{1}{4} \\×\frac{5}{5}=\frac{5}{20} (5:20)

Hope this helps!

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Explain how to solve 4|3x-1|+1=8​
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4|3x - 1| + 1 = 8

4|3x - 1| = 8 - 1

4|3x - 1| = 7

|3x - 1| = 7/4

Now lets think, we have 3x - 1 in module, so either its 7/4 or -7/4, we will have 7/4 at the end because of it, so we may have 2 solutions in this case:

3x - 1 = 7/4

and

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So let's see:

3x - 1 = 7/4

3x = 7/4 + 1

3x = 11/4

x = 11/12

3x - 1 = -7/4

3x = -7/4 + 1

3x = -3/4

x = -1/4

So we have two possible answers, x = 11/2 and x = -1/4

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D. 60

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The question is in the picture
aleksandr82 [10.1K]

Answer: 140

Step-by-step explanation: since 4 = 40 then 2 would also be 40 because they are the same angle (Keep in mind that a line is 180 degrees) 180-40=140! Good luck! :D

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