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2 years ago

10

Is √75 greater than 8

2 answers:

RideAnS [48]2 years ago

7 0

Yes it is square root of 75 is 8.66

Hatshy [7]2 years ago

5 0

Yes because the square root of 75 is 8.6

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kupik [55]

A.) The temperature rises 10 degrees over 3 hours.
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2 years ago

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What are the roots of x in -10x2 + 12x − 9 = 0?

hoa [83]

Answer:

$x_1=\frac{3(2+i\sqrt{6})}{10}$

$x_2=\frac{3(2-i\sqrt{6})}{10}$

Step-by-step explanation:

Use the Quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}$

You can identify that, in this case:

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Now you need to substitute these values into the formula:

$x=\frac{-12\±\sqrt{12^2-4(-10)(-9)}}{2(-10)}$

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Remember that:

$i=\sqrt{-1}$

Therefore,rewriting and simplifying, you get:

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$x=\frac{-6(2\±i\sqrt{6})}{-2(10)}$

$x=\frac{3(2\±i\sqrt{6})}{10}$

Then, you get the following roots:

$x_1=\frac{3(2+i\sqrt{6})}{10}$

$x_2=\frac{3(2-i\sqrt{6})}{10}$

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2 years ago

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3 years ago

Please help me please thank you

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Answer:

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It is right, because 36 is dividable by 6 and 9 (haha thats the funny number)

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