Answer:
B
Step-by-step explanation:
First, let's rearrange the given equation into something more recognizable. If we add 13 to both sides, we now have the polynomial
. We can now use the quadratic formula to solve.
Remember that the quadratic formula is

Substitute the numbers from the equation into the formula.

Simplify:


Here, I'm going to assume that there was a mistype in option B because if we divide out the 2 we end up with
.
Hope this helps!
Answer:
it’s because 0.50 is half of 100 and 1/2 is a reduced fraction of 50/100.
Step-by-step explanation:
Cilinder valume =πr²h = 4x4x40π= 640π= Ans. 2009.6
Answer: you can divide it by 2 and get 2.8 or you can divide it by 8 and get .7 or do 5.6 divided by 7 and get .8 ( I don’t really know what your asking but here you go )