2 years ago

I'd really appreciate it if anyone helped! :) Giving Brainliest!

Mathematics

1 answer:

Anna11 [10]2 years ago

5 0

the first three are irrational

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Use formula a squared equals to c squared minus b squared

40^2-24^2 is 1024

Square root of 1024 is 32.0

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Allushta [10]

Im pretty sure it is the first one

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( x + 2 )^2 - ( y + 2 )^2

GarryVolchara [31]

The difference of two squares factoring pattern states that a difference of two squares can be factored as follows:

$a^2-b^2 = (a+b)(a-b)$

So, whenever you recognize the two terms of a subtraction to be two squares, you can factor it as the sum of the roots multiplied by the difference of the roots.

In this case, the squares are obvious: $(x+2)^2$ is the square of $x+2$ , and $(y+2)^2$ is the square of $y+2$

So, we can factor the expression as

$(x+2)^2 - (y+2)^2 = [(x+2)+(y+2)] - [(x+2)+(y+2)]$

(the round parenthesis aren't necessary, I used them only to make clear the two terms)

We can simplify the expression summing like terms:

$(x+2)^2 - (y+2)^2 = [(x+2)+(y+2)][(x+2)-(y+2)] = (x+y+4)(x-y)$

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3 years ago

What do you call the number that you divide by?

skelet666 [1.2K]

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the number that you divide by is called the dividend and the number which the dividend is being divided by is the divisor.

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Your teacher tells you to do questions 6 through 19 how many questions do you do?

ElenaW [278]

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I try to do atleast all of them better grade so there if you don't do atleast 6 or above you ain't going to get no good grade but I would try to do all of them

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