Answer:
x² - 12x + 27
Step-by-step explanation:
(f + g)(x)
= f(x) + g(x)
= x² - 13x + 36 + x - 9 ← collect like terms
= x² - 12x + 27 ← in standard form
Answer:
It will take her 75 minutes To run 10 miles.
Step-by-step explanation:
I believe to run 10 miles (not minutes)
30/4= 7.5 minute per mile
7.5*10= 75 minutes
Answer:
f = 1
Step-by-step explanation:
For this problem, we should assign variables to fruits in order.
x = oranges and y = pears
The cost of each fruit times the number of each fruit sold has to equal a grand total of $21
In standard form, this is written as: 2x + 5y = 21