Answer:
the length between them is 4
Step-by-step explanation:
from Q - T
both are at -9 so its a straight line.
the difference between -2 and 2 is 4
-2 , -1, 0, 1, 2,
Answer:
2000
Step-by-step explanation:
2(20x30)+ 2(8x30) + 2(20x8).
Answer: 1.2
Step-by-step explanation:
Let X denotes the grades on a language midterm at Oak Academy.
As per given ,
X follows normal distribution ( because it has symmetric graph)

Formula for z : 
For X = 70, we have

Hence, the z-score for Ishaan's exam grade = 1.2
Answer:
A 20
Step-by-step explanation:
Given
Phone Battery Life (hours)
A 20
B 25
C 10
D 18
8.45% of the battery life of each mobile phone is used in a day by a typical user
Calculating Hours of battery life in a day for each mobile
A 20
Battery life for A =
hours
B 25
Battery life for B =
hours
C 10
Battery life for C =
hours
D 18
Battery life for D =
hours
Therefor Mobile phone A 20 uses a total of 1.69 hours of battery life in a day
Answer:
If you're looking to make a math equation then:
8x - 4 = 2