Answer:
a. 125 – 7d
Step-by-step explanation:
Let d be the number of days.
<u>Given the following data;</u>
Total distance (month) = 125 miles
Distance covered per day = 7 miles
To determine how many miles he has left to run after running for "d" days, this mathematical expression can be used;
Total distance - distance covered per day = number of miles remaining
Answer:
The value of f(2) would be -40.
Step-by-step explanation:
Given function is,
Substituting x = 2 in the above function,
We get,
Hence, the value of f(2) would be -40.
Answer:
Let the number of books she can purchase = b
The cost of each book is $5.5 with an extra shipping of $7.5
So, the total cost of the books she can purchase =
Since, she had $65 to spend on the books.
The required inequality is .
So, according to the inequality above, we get,
The correct options are,
B. The inequality symbol is incorrect because she can spend up to and including $65.
C. The expression is correct because $5.50 per book is
and that is added to the shipping fee of $7.50 to determine the total purchase price.