Answer:
d. The random variable is the number of years in which the temperature increased from the previous year.
Step-by-step explanation:
The random variable is the amount of years that have higher average temperatures than its previous year.
As the sample is from 5 years, the random variable can take values from 0 (where none of the years increase their average temperature from its previous year) to 4 (where every year increases the average temperature).
Given:
Elliot has a total of 26 books. He has 12 more fiction books than nonfiction books.
To Find:
A system of linear equations represents the situation.
Answer:

Step-by-step explanation:
We are given that x represents the number of fiction books and y is the number of non-fiction books.
We are also given that the total number of books Elliot has is 26 which includes both fiction and non-fiction. So, we may write

Next, we are given that there are 12 more fiction books than non-fiction books. This means, the fiction books are more in number and so, we may write

So, the total system of equations can be represented as

If the number of trials is changed the number of experimental outcomes also changes
4 days 10 days Cross Multiplication
---------- = ------------
7 mins x
4x = 7*10
4x = 70
x = 70/4
x = 17.5
17.5 minutes = x
The high temperature was 2 degrees Fahrenheit in the town that day.
Step-by-step explanation:
Given,
Low temperature in Leroy's town = -4 degree Fahrenheit
Difference between low and high temperature = 6 degrees Fahrenheit
Equation used to find high temperature h;

Solving the equation

The high temperature was 2 degrees Fahrenheit in the town that day.
Keywords: equation, subtraction
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