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Montano1993 [528]
3 years ago
8

Solve x^2 - 6x + 63 = 0 in a + bi form

Mathematics
1 answer:
creativ13 [48]3 years ago
5 0
The square root of a negative number does not exist in the set of real numbers 
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How many integers n leave remainder 4 when divided by 7, if n satisfies the given inequality?
bekas [8.4K]

Consider inequality |-n| This inequality is equivalent to inequality |n|

This means that -46

The greatest integer number n, such that -46 when dividing by 7 gives the remainder 4 is 39. Then subtract 7, you get 32, then 25 and so on.

When n=-39, -32, -25, -18, -11, -4, 4, 11, 18, 25, 32, 39 then dividing by 7 the remainder is 4.

Answer: 12 integers.

4 0
3 years ago
Why is 7 divided by 0 not worked
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The number 0 is basically nothing, so 7 divided by nothing is not defined. That's why calculators or even the most powerful computer can't divide anything by 0
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3 years ago
Write the following equation in the general form Ax + By + C = 0.<br><br> 1/2 y - x - 1 = 0
murzikaleks [220]
Hope it will help you..

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4 years ago
Which of the following would you use to estimate how much lemonade pitcher can hold
Y_Kistochka [10]

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3 years ago
Read 2 more answers
(CO 6) If the linear correlation coefficient is -0.491, what is the
Sedbober [7]

The value of co-efficient of determination is 0.241.

<h3>What is the relationship between linear co-relation co-efficient and co-efficient of determination ?</h3>

The co-efficient of determination R² is similar to the linear correlation co-efficient.

We can think of co-relation of determination as a percentage. It gives us the data for how much percentage of data will fall within the linear co-relation.The higher the percentage the more data falls within.If the coefficient is 0.5 then 50% of data falls within the linear co-relation.

According to the given question

Linear correlation coefficient is -0.491

∴ Co-efficient of determination is (-.491)² which is equal to 0.241.

Learn more about Linear regression here :

brainly.com/question/14313391

#SPJ1

8 0
1 year ago
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