Answer: x=−2 or x=8
Step-by-step explanation:
Step 1: Factor left side of equation.
2(x+2)(x−8)=0
Step 2: Set factors equal to 0.
x+2=0 or x−8=0
x=−2 or x=8
620 is the initial amount a, the growth factor b is 7.8, and the time is x.
Answer:
115.
Step-by-step explanation:
50% is half of 100%, so all that is needed is to divide the number by 2 or:
230 * 50% =
230 * .5 = 1150
and once you move the decimal point back one, you end up with:
115.
