When x=0, the rocket is at 40 feet. the point when x is 0 is when the rocket is 0 feet off of the platform, so the platform's height is 40 feet, the y-intercept.
Given that
, it has PDF
and thus CDF
The 25th percentile is the value
such that
. We have
2 = 106
3 = 74
4 = 106
5 = 74
6 = 106
7 = 74
8 = 106
Answer:
x= -2
Step-by-step explanation:
-0.2(25x+5)-5 = 4
We move all terms to the left:
-0.2(25x+5)-5-(4) = 0
We add all the numbers together, and all the variables
-0.2(25x+5)-9 = 0
We multiply parentheses
-5x-1-9 = 0
We add all the numbers together, and all the variables
-5x-10 = 0
We move all terms containing x to the left, all other terms to the right
-5x= 10
x= 10/-5
x= -2
Answer:
100
Step-by-step explanation:
4 spirals for 1 student. 4 x 25 to get the total number, and that equals 100