Great job man!!!!!!!!!!!!
(x+b/2a)^2-(b^2-4ac)/2a=0
Step 2:
Re-write the expression:
(x+b/2a)^2=(b^2-4ac)/4a^2
Step 3:
get the square root of both sides:
x+b/2a=sqrt[(b^2-4ac)/4a^2]
Step 4:
Simplifying we get:
x+b/2a=sqrt[b^2-4ac]/2a
Step 5
Make x the subject:
x=-b/2a+/-sqrt[b^2-4ac]/2a
Answer:
Which Question???
Step-by-step explanation:
Answer:
The probability is 3/10
Step-by-step explanation:
<u>Step 1: Find the probability</u>
ballroom dance / total dancers
6/20
<u>Step 2: Simplify</u>
(6/2) / (20/2)
3/10
Answer: The probability is 3/10
