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I bet you aren't! I remember CPhill telling me to just try your hardest, and even if you aren't sure, just give it a go :)

Can you give me the formula, and then the explanation? And also how to get an appriximation of the answer? I'm confused by your explanation (Probably because I'm unfamiliar with Cosines.)

We can use the Law of Cosines to solve this..letting x be the side length, we have...

x^2 =  (4.5)^2 + (4.5)^2 - 2(4.5)(4.5)cos120

x= √60.75  = 7.7942286340599478  = 4.5√3

Thanks, Mathematician...for seeing my previous error...!!!

Ya right? I wish I could actually help others... but I think I can only get help... I'm really THAT bad.

9 + 10 = 19

haha thats funny 

Your welcome! And thank you, Mathematician :) I thought the same exact thing when I found this website... I love it so much, and it's nice to be able to get help and help others

The common ratio is 25/9  

Yes, Mathematician, I am the question asker. And maybe hers is the best...But all of them really helped me! 

I never knew about this website... But it's actually really useful!

No "perfect" number divides this "perfectly"...(since all perfect numbers found so far are even, and no even divides an odd)

The largest perfect number that will divide it resulting in a "mixed" number is 8128

Are you the question asker, AmandaXX? I'm glad we were of help to you. I personally think Saseflower's explanation of integers is the best.

Thanks guys!!!! you helped me SOOO much!!!! 

$${\frac{{\mathtt{18}}}{{\mathtt{35}}}}$$

Use the tangent inverse....

So we have

tan^-1 (18/13) = about 54.16°   ( ± n180° )

$${\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\mathtt{1}} = {\mathtt{2}}$$

1 + 1 = 2 :)

Let's check:

8 ^ 2 = 64

9 ^ 2 = 81

Is the square root of 83 between 64 and 81? If not then look at the next set of perfect squares.

I'm pretty sure if you try to square root and the outcome is a decimal, you do it this way

√20

√18 x 2

9 √2

9 x 1

9

This is probably wrong, and I think this way only works with variables.... I'm sorry

If you used the calculator that this site is supposed to be, you would find

the sqaure root of 83 is 9.1104335791442989

First you start with this formula: L = t + h. L is Love, t is the number of times a day you tell them you love them and h is the number of times a day you do something nice for them...

No, that's not right...

Love is an inmeasureable quantity, meaning there is no way to measure its amount. There is no need to measure love, it's an infinite supply.

As in multiplying and dividing negative and positive integers?

Well, when you multiply or divide two positive integers, the product or quotient is always positive

If you multiply or divide one negative and one positive integer, the product or quotient will be negative

If you multiply or divide two negative integers, the outcome will be positive because they basically cancel each other out

Also, if you multiply or divide two negatives and then multiply or divide it by one more negative, the answer will be negative because you first had a positive, but then multiplied it by a negative which would become a negative

I really hope this helps!

You use the emotional calculator called your brain.

If this does not work, ask someone else.