Answer:
Step-by-step explanation:
x² + 6x = 8
Coefficient of the x term: 6
Divide it in half: 3
Square it: 3²
Add 3² to both sides of the equation to complete the square and keep the equation balanced:
x² + 6x + 3² = 8 + 3²
(x+3)² = 17
Answer:
B
Step-by-step explanation:
Variance can be said to be a measure of dispersion for a random sample.
Variance = pq/n
When given the variance, we can find the standard deviation.
Standard deviation = √variance
= √pq/n
Answer: decreases; negative correlation; not
Step-by-step explanation:
Just got it right in the assignment
Y=mx+b, m= slope, b= y intercept, plug in. Y=3x+5
Answer:
how much is 3 dollars
Step-by-step explanation:
how much is 3 dollars and 3 quarters and two dimes and 1 penny
