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fenix001 [56]
3 years ago
8

The decimal 0.3(repeating) represents 1/3. what type of number best describes 0.9(repeating), which is 3 times 0.9(repeating)? e

xplain.
Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

Answer:

Step-by-step explanation:

Given that the decimal 0.3 (repeating) represents \frac{1}{3}

We are to find out the value 0.9(repeating) using the above.

Since 0.9999... = 3 (0.3333...)\\0.9999... = 3(\frac{1}{3} ) =1

We can solve this using the other method also

Let

x = 0.9999....\\\\ 10x = 9.9999....\\--------------------\\9x = 9\\x=1

We get the same answer under both the methods.

jekas [21]3 years ago
4 0
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y=3 and x=-7

When you find the factors of something like this, you have to just get the letter alone.

For example: y-3. You have to first write it as y-3=0, then you add 3 from BOTH sides of the = so that you can make the -3 go away and y will be alone. So, it will look like this: y-3+3=0+3. Then, you solve it for y (which just means that you want y by itself on one side of the = ). So, -3+3=0, which means they disappear from that side; since 0+3=3, that's what that side turns into, so what you end up with is y=3

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