Answer:
x = 10
Step-by-step explanation:
3x - 9 = 21
add 9 on both sides:
⇒ 3x - 9 + 9 = 21 + 9
⇒ 3x = 30
divide 3 on both sides:
⇒ 
⇒ x = 10
to check answer, substitute x by 10 on the original equation:
⇒ 3x - 9 = 21
⇒ 3 x 10 - 9 = 21
⇒30 - 9 = 21
⇒ 21 = 21
Answer:
True, It is a example of inferential statistics.
Step-by-step explanation:
There are two types of statistics which are:
- Inferential Statistics
- Descriptive Statistics
In Inferential Statistics we describe the valuable characteristic of the population using a sample of data.
Here, Since the professor is estimating the average score of 1,500 students using an average score of 20 students. So it is Inferential Statistics.
Answer:
c. 50 Ounces> 3 Pounds
Step-by-step explanation:
Can't be A because 3 tons in 6000 pounds
Can't be B because 85 ounces is 5.3 pounds
Cant be D because 60 ounces is 3.75 pounds
it is C because 50 ounces is about 3.13 pounds
Answer: 5, 10, 15, 20, 25
8, 16, 24, 32
Step-by-step explanation:
The answer is C.
To be parallel, they have to have the same slope (m) which they don’t
