3 years ago

If x-y doesn't equal 0 then x^2-y^2 / x-y =

1 answer:

3 0

Recognize the differnce of 2 perfect squares

a²-b²=(a-b)(a+b)

so
$\frac{x^2-y^2}{x-y}=\frac{(x-y)(x+y)}{x-y}=(\frac{x+y}{1})(\frac{x-y}{x-y})=(x+y)(1)=x+y$

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The probability is 1/2 or 50%.

Hope this helps :)

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3 years ago

4x-10=2 <br> Solve and find the justification <br> Help!! Hurry!!

astra-53 [7]

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A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 34 centimeters, and the l

rjkz [21]

1. Use the Pythagorean Theorem because this is a right triangle:

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2 years ago

if $4000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $8000 at 7%?

Archy [21]

So, since it is continuously, we need to think of PERT

$A=P\times e^{rt}$

So, we just plug our numbers in to solve for T

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It will take 15.479 years

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3 years ago

Which of the following polygons has an interior angle with a measure of more then 180 degrees

IgorLugansk [536]

The answer is A). It has four angles with more than 180 deg measure.

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