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Ivahew [28]
2 years ago
9

IM2: 4.2.3, 4-86 d Solve for X

Mathematics
1 answer:
krek1111 [17]2 years ago
6 0

Answer:

s v [tw9rg

Step-by-step dpc fbsz

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torisob [31]

Answer:

The third answer that is C is correct

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Which is larger 3/4 or 0.73
slava [35]

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Read 2 more answers
I need help with algebra 2 pleasee
Aleonysh [2.5K]

Answer:

x=\pm \sqrt{21}/7

Step-by-step explanation:

We can add 9 to both sides of the equation to get 21x^2=9.

We can divide both sides of the equation by 21 to get x^2=9/21.

We take the square root of both sides of the equation to get x=\pm \sqrt{9/21}.

However, that isn't in the form we need.

We know that \sqrt{9/21}=\sqrt{9}/\sqrt{21}=3/\sqrt{21}=3\sqrt{21}/(\sqrt{21}*\sqrt{21})=3\sqrt{21}/21=\sqrt{21}/7

so the answer is really x=\pm \sqrt{21}/7 and we're done!

5 0
2 years ago
Simplify<br> ) ()<br> 3<br> 07<br> 6<br> 21<br> 21<br> 6
Kruka [31]

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what am I simplifying exactly

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3 years ago
So i need H E L P...<br> PLS help me
tensa zangetsu [6.8K]

Answer:

A 3

Step-by-step explanation:

Let n = the number

a number decreased by 12

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This is equal to 3 times the opposite =

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Setting the two parts equal

n-12 = -3n

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Divide by -4

-12/-4 = -4n/-4

3 =n

4 0
3 years ago
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