Answer
You make all the denominators to 12.
That makes Gilbert the fastest and Simon the slowest.
X^2+4x-12=0
(x+6)(x-2)=0
X can equal -6 and 2.
x=-6
x=2
Step-by-step explanation:
a.
Let's give the starting amount of water as s. Every minute, 2 inches of water are lost, meaning that given the starting amount, s, we subtract 2 inches from s every minute, so s - 2 every minute = height of water left, so s - 2t (t representing minutes) = h
To figure out s, we simply plug our known value -- 9 minutes in and 11 inches left. s - 2(9) = 11, s-18=11, s= 29
29 - 2t = h
b. We know that we cannot have negative minutes, so the minimum amount of time that makes sense is 0. To figure out the maximum, we stop counting how much time has occurred when there is no water left, so we have to figure out when h = 0
29-2t = h = 0
t=14.5
Therefore, anything between 0 and 14.5 minutes makes sense
c. Anything between 0 and 29 makes sense because the height of water cannot be negative and we cannot get higher than the starting amount
2p = 396/63 (= 6.2857)
p = 198/63 (= 3.14)
Answer:
A) The range, IQR and standard deviation would be used to measure consistency. The smaller the number the more consistent. Based on the Table Team F has the lowest number in all 3 of those so they would be most consistent.
B) The average is the Mean, the team with the highest mean is Team E
