Is there any way to prove 7 X 13 equals 28 using 7X7X7... 28?

How can you prove tha2 equals 1?

It isn't equal, and any proof that they are equal is flawed.

What is supported by experimental evidence using a scietific methodology to prove or disprove any assumtions?

A theory.

How can somehow prove this 4 equals 5?

Well, 4 ain't equal to 5, and any "proof" to the contrary is faulty.

Using any two points x-y equals 4?

x-y=4

How many pieces are on a 7x7 Rubik's cube?

When c = the number that is the dimension of the cube (ex. this time, 7), you can find the number of cubes for any size of cube. c3 - (c - 2)3 So for 7, that is 7x7x7 - (5x5x5) 49x7 - 25x5 343 - 125 218 There are 218 cubies in a 7x7x7 Rubik's cube!

If A-B equals null set then prove A subset of B?

A - B is null.=> there are no elements in A - B.=> there are no elements such that they are in A but not in B.=> any element in A is in B.=> A is a subset of B.

Matrix prove if Ax equals Bx then A equals B?

If x is a null matrix then Ax = Bx for any matrices A and B including when A not equal to B. So the proposition in the question is false and therefore cannot be proven.

Where can you enter a sum in excel?

A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.A sum can be entered in any cell on a spreadsheet or by typing it into the formula bar. You can use calculations in lots of ways to do a sum, including the SUM function, the SUBTOTAL function, using Alt and the equals sign and using the Autosum button.

If voltage equals resistance x current then?

Ohm's Law: Voltage equals Resistance times Current Given any two, you can figure out the other using simple algebra.

How can you prove that the sum of exterior angles of a polygon is 360 degrees?

With any regular polygon it is 180 minus interior angle times number of sides equals 360 degrees

Prove that the diagonals of rectangle are equal?

prove any two adjacent triangles as congruent

Using any mathematical operation on 2 and 7 how to make it equals to 49?

Watch closely . . . (7)2 = 49

Can you get any Arabian Horse registered in any possible way without proving heritage?

No you would have to prove the lineage to prove he is a purebreed.

How do you calculate the interior angle in a quadrilateral?

The 4 interior angles of any 4 sided quadrilateral add up to 360 degrees and using a protractor will prove it.

2a plus 1b equals 2c plus 2d-----2a plus 1b equals 1c plus 2d----- 1a plus 2b equals 3d-----what does 4a equal?

I--2a+b=2c+2d II--2a+b=c+2d III--a+2b=3d * Here if we perform (I)-(II), we get, c=0 * Using the c we can prove b=0 using (I)-(III). * Now replace 'b' & 'c' as 0 in (I), then we get a=d. Email me at yash2008gates@gmail.com for any queries. I will be very thankful to receive your queries.

Solve the system using any algebraic method a. -5x-y equals -3 ---- x-4y equals 9 b. x plus y-z equals 7 ---- 2x-3y plus z equals 2 ---- 4x plus 2y-2z equals 20?

y=5x+2 if y equals -4

Can you also prove that 1 equals 0?

In normal math, 1 is not equal to 0, so any "proof" that they are equal either uses non-standard definitions, or it is based on faulty logic.

How can you prove animal extinction is real?

you can prove it by showing people there is no more of that species/animal any more .Then it will prove that it is truely extinct and all gone

Can you prove that fairies are not real?

No. Any person trained in logic will tell you that 'you cannot prove a negative'. If you want to disprove the existence of fairies you first attempt to try and prove their existence. And the best you can do is to fail to prove it. The option to prove it always exists.

Does a 4-year-old child's biological father have any rights if he is not on her birth certificate or any document?

only if he can prove that he is indeed prove that he is 99.9% the father

When two numbers equal zero?

Any number minus itself equals zero. Any number plus its opposite equals zero. Any number times zero equals zero.

Are there any examples from literature that prove success can be disasterous?

Macbeth.

How hard would it be to prove a hit and run if you do not have any witnesses?

== ==

Are there any fire breathing dinosaurs?

No, not that a palaeontologist could prove it.

In any good experiment the scientists needs to the hypothesis?

Prove