<span>For a quadratic function in standard form, y=ax2+bx+c , the axis of symmetry is a vertical line x=−b2a . Example 1: Find the axis of symmetry of the parabola shown. The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.</span>
Answer:
3/20
Step-by-step explanation:
First we must get the total amount of possibilities.
We have ten numbers(0 included) and 4 letters. 10 * 4 = 40, so 40 total possibilities.
Now, let's see how many possibilities we can have for this.
Consonants in the 4 letters are B, C, D. This means we have 3 possibilities, but we ACTUALLy have 6 since it could b then 3, or 3 then b for all the letters.
So, we end up having 6/40 which simplifies in to 3/20
Answer:
53
Step-by-step explanation:
It is a trick question. 6 people to paint 6 walls will take 53. 20 people to paint 20 walls will take 53 minutes.
Answer:
Length = 7 Width = 2
Step-by-step explanation:
L = Length
W = Width
L=9w-11
2L+2W=18
2(9W-11) + 2W = 18
18W - 22 +2W = 18
20W -22 = 18
20W = 40
W = 2
L = 9(2)-11
L=18-11
L=7
