How do I graph this inequality? "A student has five assignments of seven done."

Mathematics

1 answer:

denis-greek [22]3 years ago

3 0

Well, the percentage would be 71.4%

So if it's 5/7,

y=5/7

Hope this helps! (:

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Read 2 more answers

How to solve this problem?

valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2$

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)$