3 years ago

9 Write as a percentage. 10

Mathematics

1 answer:

Ludmilka [50]3 years ago

8 0

Answer:

Step-by-step explanation:

I really dont know but if I did I would say I'm a 6 grader

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Step-by-step explanation:

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Answer:

x < 7

Step-by-step explanation:

First apply the -2 onto each term that it is being multiplied onto.

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Now subtract six from both sides.

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<u>REMEMBER</u>

When doing greater than and less than equations like this, if you divide by a negative you must flip the greater than/less than.

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Naddika [18.5K]

$\displaystyle\\
15(2a - 2) = 5(a^2 -1) \\ \\ 
30a - 30 = 5a^2-5\\\\
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5a^2 - 30a +25 = 0~~~~~\Big| : 5 \\\\
a^2 - 6a +5 = 0 \\ \\ 
a_{12}= \frac{-b\pm \sqrt{b^2-4ac}}{2a}= \frac{6\pm \sqrt{36-20}}{2}= \frac{6\pm \sqrt{16}}{2}=\frac{6\pm 4}{2}= \boxed{3\pm 2} \\ \\ 
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Answer:

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Step-by-step explanation:

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