Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
Step-by-step explanation:
Answer:
The total profit P(x) or the month is 
.
Step-by-step explanation:
A company produces x units of a product per month.
The total cost represents by the function C(x).
The total revenue represents by the function R(x).
The profit is the difference between revenue and cost.
Combine like terms.
Therefore, the total profit P(x) or the month is .
I hope this helps with you
Answer:
Step-by-step explanation:
Answer:
At 15 weeks they will both weigh 180
Step-by-step explanation:
150 + 2w = 195 - w
2w + w = 195 - 150
3w = 45
w = 45/3
w = 15 <=== they will weigh the same at 15 weeks
150 + 2(15) = 150 + 30 = 180...and they will both weigh 180 lbs
I hope this helps you :)
