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TiliK225 [7]
3 years ago
11

brett is building a fence around his yard. he has worked on it for two weeks so far. he finished 2/8 the first week and 3/8 the

second week. what fraction of the entire fence has he built?
Mathematics
1 answer:
Stels [109]3 years ago
7 0
If Brett built 2/8 of the fence in the first week and 3/8 of the fence in the second week, then he built 5/8 of the fence overall.

2/8 + 3/8 = 5/8

By the way, it means that he has still 3/8 of the fence to build.
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Solve by substitution <br> X^2= 2y + 10<br> 3x-y = 9
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Answer:

x=-4\\ x=-2\\ y=-21\\ y=-15

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x^{2} -6x+8

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8 0
3 years ago
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Answer in standard form PLEASE.
matrenka [14]

0.9 x 10^4

Let’s break this down into steps.

So to start off with, you need to do 4.5/5 which = 0.9.

Now we can deal with the indices. 10^-3 / 10^-7 means we have to subtract them. Therefore, -3 - -7 = 4. Altogether, we have 0.9 x 10^4

The question states we should leave our answer in standard form.

So our answer is 0.9 x 10^4.
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