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1+1=2 because the addition of a positive integer and another positive integer will increase in value. 1 being the lowest positive integer (another than 0), 1 will increase to the next positive integer, that being 2.

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if you have 75 grams of NaCl, how many moles do you have?

24 hrs in 1 day

-_- soo simple I can figue it out. ok, here is a problem : 

      6.45/10^5th = 6.45*10^-5 = 0.0000645

you get it now? I'm doing these problems too.

this is scientific meathod of showing large/small numbers

and why did you post this?

4x^2y^3 * 2x^3y^4  =

[4 * 2] * [x^2 * x^3] * [y^3 * y^4 ]  =

8x^5y^7

The second one is similar....see if you can do it.....

I'll do a few......

2. log₄ 2  = 1/2

3. Hard to see, but, in general   log_n 1  = 0   where n > 0

4. log₂₇ 3  =  1/3

5. log₉ 1/3  = -1/2

9. log_1/6  1/216  =  3

10. log₁₆ 1/2  =  - 1/4

11. log₂₅ 125  = 3/2

12. log_1/5 3125  = -5

Press the dash symbol on keyboard or phone when typing

10+9 =19

since 10 you have ten and you add nine you get 19

Add the digits using alternating signs.....if the result is 0, the number is divisible by 11

Example  ....121 = 11^2

So

+1 -2 + 1  = -1 + 1  = 0 

We could also start wih a negative sign

132  = 11 * 12

So

-1 + 3 - 2  =  2 - 2   =  0

good and you?

Oh thats better thanks

Okay but no argmunets in forum jut to let you know argue in PM

(private messaege)

Just multiply the fractions  →  5/13  * 3/1  =

15 / 13     [this is an improper fraction ]

2.   SV  ll  TU

3. SV  = UT

7. Congruent parts of congruent triangles are themseves congruent

8.  One pair of opposite sides are parallel and congruent

What do u mean?

For a parallelogram  →   ON = LM    and   NM = OL ..........so...

8x - 8  = 7x + 4

x = 12

And

x - 5 = 3y - 6

12 - 5  = 3y - 6

7  = 3y - 6

13  = 3y

 y = 13/3

bet you didn't know she was an 18 year old asking children for dates ha

In fact that is a spendid idea...threats to k**l people was also interesting...I know I never did that...plant viruses  maybe

I can talk to him...let him take screen shots let you know what really happend it'll make you ask yourself questions on who was harraseing who...including you

Geometric mean of two numbers, say, a and b  = 

√[a * b]....so .....if we have

x / 4  = 9 / x       cross-multiply

x^2  = 9 * 4

x^2  = 36

√x^2  = √36

x = 6       .....this is the geometric mean of 9 and 4  

In geometry......if we had

AB/BC  = BC/AD

BC^2  = AB * AD

√BC^2  = √[AB * AD ]

BC  = √[AB * AD].....so   ....BC  is the geometric mean of AB and AD

yep 

25/42. 

You took that from me, History is the answer