Answer:
The number D = b2 – 4ac determined from the coefficients of the equation ax2 + bx + c = 0. The discriminant reveals what type of roots the equation has. Note: b2 – 4ac comes from the quadratic formula.
Hope this helps please mark me as brainliest
Answer:
Sum of probabilities in a discrete probability distribution is 1.
Step-by-step explanation:
The sum of the probabilities in a probability distribution is always 1.
A probability distribution is a collection of probabilities that defines the likelihood of observing all of the various outcomes of an event or experiment. Based on this definition, a probability distribution has two important properties that are always true:
Each probability in the distribution must be of a value between 0 and 1.
The sum of all the probabilities in the distribution must be equal to 1.
Answer:
Step-by-step explanation:
What that question from shawty im in CFS
15. 
Step 1: Distribute the subtraction sign to all the numbers in the second set of parentheses...
Step 2: Combine like terms (
's go with 's)
Step 3: Combine like terms (
's go with 's)
Step 4: Combine like terms (normal numbers go with normal numbers)
1 + 2
3
You were correct!
16. 
I don't really know how to explain this one but I got: (7m-6n)(7m-6n)
Answer:
224
Step-by-step explanation:
70/7 this equal the the speed elsise travels in one hour
32x7 this equals the total distance elsise travels in 32 hours
