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Thanks guest, but you have a couple of little errors

when you multiply or divide by a negative number you have to turn the sign around

so

-x        < -7

-x*-1  >  -7*-1

x > 7

So the smallest integer that works is 8    (because 8 is bigger than 7.)

The answer is a = 4.

1/4 + 1/3 + 1/8 + 1/6

There are some great explanations out there. Start checking them out before you post an question

https://web2.0calc.com/questions/help_16304 (No credit to me from the link)

Thank you so much I love the explanation!

x < 2x - 7

-x < -7

x < 7

Therefore, the smallest integer x that works is 8.

Did everyone get on the nice list??? (I didn't lol)

Thank you both for your time to help!

All credit to EP and Melody

https://web2.0calc.com/questions/halp-im-so-confused

I followed what you did so far Tiggsy  BUT I still don't know how to finish it.

Maybe I have brain freeze.   

\(f(x) = 1 - \int_0^x [f(t)]^2 \ dt\\ \)

\(\displaystyle \frac{d}{dx}f(x)= - [f(x)]^{2}\\ \int\displaystyle \frac{d}{dx}f(x)dx= -\int [f(x)]^{2}dx\\ f(x)= -\displaystyle \int [f(x)]^{2}dx\\ \)

???

HELP PLEASE URGENT!!!

Don't you know ANY of them?

Show us your thoughts on this question.

n takes the following values:

n ==1,  7,  21,  49

Among the first 20 rows, there are 10 rows that have this property.

There are 4230 ways to choose the committee.

nvm I got the answer it is 50

$\binom{n}{2}$ is odd when $n \equiv 1 \pmod{4}$.  There are 25 numbers between 2 and 100 that work.

∅ | {1} | {2} | {3} | {4} | {5} | {1, 2} | {1, 3} | {1, 4} | {1, 5} | {2, 3} | {2, 4} | {2, 5} | {3, 4} | {3, 5} | {4, 5} | {1, 2, 3} | {1, 2, 4} | {1, 2, 5} | {1, 3, 4} | {1, 3, 5} | {1, 4, 5} | {2, 3, 4} | {2, 3, 5} | {2, 4, 5} | {3, 4, 5} | {1, 2, 3, 4} | {1, 2, 3, 5} | {1, 2, 4, 5} | {1, 3, 4, 5} | {2, 3, 4, 5} | {1, 2, 3, 4, 5} (total: 32)

7 without regard to size.

The sum of all possible values of c is 14.

(a - 2)(b - 2) = 44.

p + q + r = -7/2.