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10/25=2/5 so 1/25+2/5 can be written as 1/25+10/25 which equals 11/25

its cool

hey FAFA im sorry for being a jerk a few days ago

ok. can I help?

Im called Romeo, and I think I have fallen inlove with someone on here

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thank you

The coefficient is arrived at by: 27C17 x 2^18=2211521495040. The rest is simple expansion of the 18th term by binomial expansion.

42 ...

4x+6=2x-8

-2x     -2x

2x+6=8

-6     -6

2x=2

2    2

x=1

Take the integral:
3 integral1/3 x^4 log(x) dx
Factor out constants:
 = integral x^4 log(x) dx
For the integrand x^4 log(x), integrate by parts, integral f dg = f g- integral g df, where
 f = log(x), dg = x^4 dx, df = 1/x dx, g = x^5/5:
 = 1/5 x^5 log(x)-1/5 integral x^4 dx
The integral of x^4 is x^5/5:
 = 1/5 x^5 log(x)-x^5/25+constant
Which is equal to:
Answer: |= 1/25 x^5 (5 log(x)-1)+constant

Im good! (:

how did you get that?

You should probably clarify whether you want to find the square root of the entire expression or just the 199. For example, are you trying to find: (sqrt199) minus 13/2 or (sqrt(199 minus 13/2))

4/7 x k = -28

k = -28 x 7/4

k = -49

or

4/(7 x k) = -28

4 = -196k

-4/196 = k

k = -.020408

? -9 = -10

=-2211521495040 sqrt(2) p^10 r^17

It counts the 18th term from P^27 in desceding order. P^27, p^26, p^25...........18th.

Speed of light in a vacuum, 299 792 458 m/s

Take this first question: start counting from the RIGHT until you get to the last digit, which is a 2. Don't include the last digit(2) in your counting. If you did that, you should get 8 numbers. This 8 will be the "exponent" of 10 as follows:299 792 458 =2.99792458 x 10^8. Or you could abbreviate it like this:

3.00 x 10^8. This is called scientific notation. Try the others and see how you do.

What if I cant use a calculator?

Well my teacher told me to go to this site if i have any trouble with my questions.

And told me to only go to this site and i don't want to get into any trouble soo... thats why i'm posting questions on here, and also my teacher is a subsitute and we are not allowed to use calculators in class, only at home.

\(\frac{4}{7}*(-28)=-\frac{4*28}{7}=-\frac{4*4}{1}=-\frac{16}{1}=-16\)

Rosey, I could givie you the answers, but you wouldn't learn anything.....here's a simple-to-understand tutorial :

http://www.mathsisfun.com/numbers/scientific-notation.html

Try a few of your questions yourself and see how you do........there is a calculator on the above page that lets you check your answers.......

Find X if g(x)=28 g(x)=2x^2-4