Answer:
Unit rate of people per book = 2.5
Step by step explanation:
Given:
Number of peoples = 
Number of books = 
Their ratios = 
We have to find the unit rate of people per book.
To find out the unit rate of people per book we have to divide the total number of peoples by the total number of books.
Or
For this we will follow the unitary method:
For book there are persons.
For 
book there will be 
persons.
So,
The numeric value =
= 
There are 2.5 people per book and that it also the unit rate of people per book.
Given:
The minimum and maximum distance that the dog may be from the house can be found by using the equation:
To find:
The minimum and maximum distance that the dog may be from the house.
Solution:
We have,
It can be written as:
Adding 500 on both sides, we get
Now,
and 
and 
The minimum distance is 492 meters and the maximum distance is 508 meters.
Therefore, the correct option is C.
Answer:
B
Step-by-step explanation:
Answer:
90
Step-by-step explanation:
add them, then divide the answer by 5, because there are 5 numbers
Problem 1
Answers:
Domain: 
Range: 
--------------------
Explanation:
The domain is the set of allowed x inputs of a function. The smallest x value we can use is x = -3 (note the very left-most point of the graph). The right-most point involves x = 5, but we can't actually use this x value due to the open hole. So that's why we don't have "or equal to" attached to the 5.
The range is the set of possible y outputs. The lowest we can go is y = -4, but we don't include this as part of the range. The largest y can get is y = 3. So the range is
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Problem 2
Answers:
Domain: 
Range: 
--------------------
Explanation:
We use the same idea as in problem 1. Both endpoints are open holes, so we don't include them as part of the domain and range. For instance, we can't include x = 4 but we can get closer and closer to it. The same idea applies to the range as well.
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Problem 3
Answers:
Domain: 
Range: 
--------------------
Explanation:
The same idea applies as used earlier. This time we include both endpoints, so we have "or equal to" as part of each inequality sign.
