Answer:
The answer is B or It must be a positive number since it represents a number of hours.
Step-by-step explanation:
Answer:
13x-27
Step-by-step explanation:
Simplify the expression.
Answer:
C) Revise
Step-by-step explanation:
A final draft needs to be revised before it can be published
Answer:
2 weeks
Step-by-step explanation:
Given in the question that,
Equation that represent Lisa's total amount of money
f(x) = 20 - 13x
Equation that represent Joey's total amount of money
g(x) = x² - 10
To find weeks, x, after which they will have same amount of money, we will equate both equation
<h3>20 - 13x = x² - 10</h3>
x² - 10 - 20 + 13x = 0
x² - 30 + 13x = 0
x² + 13x - 30 = 0
(x - 2)(x + 15) = 0
x = 2 or x = -15
Weeks, x, can not be negative so we will reject x = -15
Hence, after 2nd week Lisa and Joey will have the same amount of money save.
I believe the answer is the last one. I hope this helps love! :)
