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Answer:
The class width is 20
Step-by-step explanation:
In a frequency or a relative frequency distribution the class width is calculated as the difference between the lower or upper class limits of consecutive classes. A point to note is that all the categories or classes usually have the same class width.
We use the first two classes to calculate the class width by using their respective upper limits;
Class width = 89 - 69
Class width = 20
Answer: -6(x+3) 4)
5)
Step-by-step explanation:
Answer:
x=482
Step-by-step explanation:
First: x-411=71
Add 411 to both sides, which cancels out the -411 leaving just x.
You add 411 to 71 getting 482.
Answer:
Integers are the set of whole numbers and their opposites. Whole numbers greater than zero are called positive integers. Whole numbers less than zero are called negative integers.