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 1+1, one finger plus one finger, 1 apple plus one apple. I don't know what it is, maybe 21.

 Squared is what times itself will equal 25. So, 5*5 will equal 25. 25 squared is 5.

Have you tried setting it to wumbo???

 0/0 is an error, some people think it is a black hole, but I think it is 0.

22. that took alot of time to think. plz make the qeustion easier. 

Sorry sir, but your answer is incorrect. It asked WHAT OPERATION should you use so, it didnt realy ask for a number answer...

 PRIME FOR LIFEEEEEEEEEEEE!!!!!

What's on the right side of the equation.

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x +  y= 8

+    + 

u -  v = 6

=    =

13  8

x + y = 8

u - v = 6

x + u   = 13

y + v = 8

WolframAlpha gives the following solutions for this system........u = 19/2 and v = 7/2 and x = 7/2 and y = 9/2

Sorry i messed up, the real answer is 1 to 27

3/9 to nine...

Well 3/9 is the same as one third, or 1/3 or .33

the ratio is now .33 to 9

If you didnt want a decimal you could find a common denominator.

3/9 to 9/1

1/3 to 9/1

1/3 to 27/3

multiply both sides be three

1 to 3

the ratio is 1 to 3

if you have 50 cents or mor round up to a dollar. If you have 49 cents or less, round down to zero.

2|z+1| - 3 =  z - 2         add 3 to both sides

2 lz + 1 l   =  z  + 1      divide both sides by 2

l z + 1 l   =     [ z + 1 ]  / 2         we have two equations

z + 1 =   [z + 1] / 2        there is no solution to this

or

-[z + 1]  = [z + 1] / 2   simplify

-z - 1  = [z + 1 ] /2       multiply both sides by 2

-2z - 2   = z + 1          add 2z to both sides, subtract 1 from both sides

-3  = 3z          divide both sides by 3

-1  = z

83 is prime, so it cannot be divided evenly by anything

You could divide it by anything except 1 and 83, and you would get a decimal answer.

Nope. Sorry

26637 / 16 =  1664 + 13/16   =  1664 + d/13   [ remember that "13"   in hex = "d"   ]

1664 / 16  =  104 + 0/16

104 / 16=  6 + 8/16

6/16  = 0 + 6/16

So.....26637 in hex ....write the numerators of the above remainders in reverse order  =  680d₁₆

1. Justify the statement, "Division is not commutative."

Commutative would mean that a / b  = b / a

But......  4/3  ≠  3/4   ....so.........division is not commutative

2. Show that the set of non-zero rational numbers is closed under division.

We want to show that dividing a non-zero rational by a non-zero rational produces another non-zero rational

Let the first rational = a/b and the second =  c/d     where a,b,c,d   are non-zero integers

Then.....

a/b ÷  c/d  =

[ab] * [d/c]  =

[ad] / [ bc]         but, since a,d are non-zero integers, so is their product......and the same with b, c

Thus.....dividing a non-zero rational by a no-zero rational produces another non-zero rational

Yep.....it's still positive.......

But.....you're asking about taking a negative to a negative power......if the power is even, the result is positive.....but, if the exponent is odd, the result is negative....Example :

(5)^-2   = 1/(5)²  = 1/25

(-5)^-3  = 1/(-5)³   = -1/125

its 4 you idiot

1. (a + b)²  =

      a          b

a    a²        ab

b    ab        b²    

Listing the terms of the last two terms in the rows, we have

a² + ab + ab + b²   =

a² + 2ab + b²

2.  .......GM, I don't know exactly what a  "rectangle diagram" is, but if it's along the lines of the first problem, we have :

          x           3

x      x^2          3x

-y      -xy       - 3y

-1      -x         -3

Listing and combining the results  of the last two terms in the three rows,we have

x^2 + 3x - xy - 3y - x  - 3  =

x^2 + 2x - 3y - xy - 3 

3x=36

x=12

yes it does. good work!

50x=375000                                                                                                                                                                              375000/50=7500

 7500 is the answer

3-9x=-8x+14

-9x=-8x+14-3

-9x+8x=14-3

-x=11

x=-11