Consider 6x2 + 6x + 1. Which term immediately tells you that this expression is NOT a perfect square trinomial? Justify your ans
2 answers:
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Answer:
is the probability that a player draws out two tiles of the same color assuming they are drawing one tile from each bag.
Step-by-step explanation:
In each bag there are red, green, and blue tiles, meaning that no matter which color is pulled out first there is always some probability that the second tile will be the same color. So, we can set up three possible outcomes:
Red: The player pulls out a red tile first. This has a probability of happening. Then in order to succeed for the problem, the next tile also needs to be red which has a
probability attached to it.
×
=
probability of happening.
Green: There is a probability of the player pulling out a green tile first. In this case we want to calculate the probability of the second tile being green, which would be
.
×
=
.
Blue: There is a probability of the first tile being blue in which case we are hoping for the second tile to be blue as well. The probability of the second tile being blue is
on its own, and them both being blue is
×
=
Adding +
+
we get the answer
.
Answer:
(a variation of) vertex form
Step-by-step explanation:
For vertical scale factor "a" and vertex (h, k), the vertex form of the equation for a parabola can be written as ...
y = a(x -h)^2 +k
If k is subtracted from this equation, an alternate form is ...
y -k = a(x -h)^2
This latter version of vertex form is the form your equation has, where ...
- a = 8
- (h, k) = (-7, -20)
I have my work at the bottom but to explain you have to divide 30/12, and I got 2.5. That means 30 is 2.5 times bigger than 12. Because we have to find x, we have to divide 7/2.5, to find what is 2.5 times smaller than 7. That’s 2.8. So, x= 2.8
