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Natasha_Volkova [10]
4 years ago
15

what equation is used to represent "three minus the difference of a number and one equals one-half of the difference of three ti

mes the same number and four"
Mathematics
1 answer:
sesenic [268]4 years ago
8 0
(n-1)-3=1/2(3n-4)
hope it hrlps
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Solving for <em>Angles</em>

\displaystyle \frac{a^2 + b^2 - c^2}{2ab} = cos∠C \\ \frac{a^2 - b^2 + c^2}{2ac} = cos∠B \\ \frac{-a^2 + b^2 + c^2}{2bc} = cos∠A

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You would use this law under <em>two</em> conditions:

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* Just make sure to use the <em>inverse</em> function towards the end, or elce you will throw your answer off!

_____________________________________________

Now, JUST IN CASE, you would use the Law of Sines under <em>three</em> conditions:

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* I HIGHLY suggest you keep note of all of this significant information. You will need it going into the future.

I am delighted to assist you at any time.

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