Answer:
the anwser would the number 20
Yea but there are precisely 118 total that we know of
This follows directly from the double angle identity for cosine and the Pythagorean identity:

So we have

To get x alone, you have to divide -4.9 to both sides. The reason you have to divide is because division is the opposite of multiplication
This is what you call a one step equation
-4.9x = 9.8
x = 9.8/-4.9
x= -2
Hello kiddio!
the function shows that each time it decreases it will end up looking like a diagonal line.
Have a nice day