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Angelina_Jolie [31]
3 years ago
9

Please help we’ve been stuck in this for a while

Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0
If you plug in 5 for x, the radical ends up being (5-1) which is 4. The square root of 4 is 2, and the plus/minus symbol means the possible answers are 2 OR -2. When you plug in 1 for x the radical becomes (1-1) or zero. The square root of 0 is zero, and plus/minus zero are the same. This IS NOT a function because for x=10 and x=5, there are TWO DIFFERENT y values (each “x” can only have one y in a function)
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3 years ago
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mestny [16]

0.54 repeating as a fraction is 54/99.

When a number that is not 0.99999...(etc) repeats, you need to add a digit 9 as to the denominator for every digit on top. For example, 0.2 repeating is 2/9, 0.21 repeating is 21/99, 213 repeating is 213/999, and so on.

You can always test this with a calculator to make sure.

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jarptica [38.1K]

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3 years ago
Help math math math math
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