The sum of the digits of a two-digit number is 7. If the digits are reverses, the new number is 9 more than the original number.
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Answer:
The answer to your question is
Step-by-step explanation:
Real operation
Process
1.- Factor the denominators
2.- Simplify like terms
Cancel (x - y) and (x - 1) because they are in numerator and the denominator
This is the answer or you can expand
3.- Expand
defines an ellipse centered at
I've attached a graphic of what a sample section would look like.
Any such isosceles triangle will have a hypotenuse that occurs in a
Now the legs form a similar triangle with the height of the triangle, where the legs of the larger triangle section are the hypotenuses and the height is one of the legs. This means the height of the triangular section is
Finally,
and so the volume would be
