Given:
The given quadratic equation is
or,
And
The roots are given:
To find the missing step.
Let us solve the equation.
or,
or, [ eliminating 16 from both the side]
or,
or,
or,
Hence,
The step 2 could be
You could say 70/500=... Or maybe 60/500=...
Answer:
A
Step-by-step explanation:
A trail would consist of three random digits.
The problem asks for the probability that it will take at least a sample of four to find one person with brown hair. This implies that the first three people do not have brown hair. Therefore, a trial would consist of three random digits. A success is none of the three digits are 0, 1, 2, or 3. For example, 675 would be a success and a failure would be 792.
O.9c
Step-by-step explanation: