In a positive integers there are twenty whole numbers I hope this help
Answer:
the answer you are looking for is C
Step-by-step explanation:
<h2>Answer:-</h2>

First, we need to add up the x.
We know that 4+8 = 12, so

Now, equating it to y,

Now, if I multiply
on both sides,
I get,
Now, as 12 got cancelled , I got the final answer as
Hope it helps :)
Answer:
It is a right triangle.
Step-by-step explanation:
A right triangle is a triangle with at least one angle with 90 degrees.
We know that every triangle has 180 degrees. The other unknown angle is 180 - (30+60) = 180 - 90 = 90. That means that the other angle is 90 degrees. Therefore, it is a right triangle
We also know that in this triangle, that the square of one side plus the square of another is side is equal to the square of the hypotenuse of the triangle. (According to Pythagorean theorem)
Answer:
Khan Academy.
Step-by-step explanation:
You can go on khan academy and search up "percentages and numbers." The videos should immediately pop up. there are also lessons if you don't want to risk getting your problem wrong. If you are still confused and do not understand please just comment and I will respond.