Answer:
Step-by-step explanation:
hello :
y = x² + 12x + 5
y = ( x²+12x+36) -36+5
y= (x+6)²-31.......vertex form when the minimum possible value is : - 31
Answer:
C) 1/7
Step-by-step explanation:
so idk what the formula is called but it looks like this:
y2-y1/x2-x1 and if you plug in the numbers then you'll get the answer
3 - 4/-1 - 6 = -1/-7 = 1/7
you can also switch the numbers your answer will always be the same
4 - 3/6 - (-1) = 1/7
so the answer is c
Answer: 8.5%
7/82=0.0853
Multiply by 100 to get percentage
0.0853 x 100 = 8.53
Answer: 0.27648
Step-by-step explanation:
Given : The proportion of all individuals have group A blood : p=0.040
Total individuals give blood : n= 6
Let X be the number of individuals have group A blood.
Since all individual are independent of each other.

Formula :
, where n= sample size , p = probability of getting success in each trial.
The probability that exactly three of the individuals have group A blood. :

The probability that exactly three of the individuals have group A blood. is 0.27648