Given:
The cost to install x number of central air conditioning units for a company is given by the function
To find:
The cost to install 45 air conditioners.
Solution:
We have,
Putting x=45, we get
Therefore, the cost to install 45 air conditioners is $60433.33.
Answer:
C. C = 0.75b + 3.78
Step-by-step explanation:
We know that Kalvin sells bottles of water, in which he charges 75 cents for each one, with an additional 3.78 for ice.
Easily enough, we know that 0.75 has to be with a variable, because there is 75 cents being charged "per bottle." Therefore look for an answers that has the expression "0.75b".
This would leave us with "C."
Answer:
Step-by-step explanation:
The answer is false because negatives work backwards
Answer:
(1, 0.5)
Step-by-step explanation:
From the graph attached,
x-values are representing the number of games downloaded,
y - values are representing the total cost.
Unit rate means rate of 1 game downloaded.
If we represent this in terms of coordinates,
x- value (game downloaded) = 1
y - value (price of one game download) = $0.5
Therefore, point (1, 0.5) will represent the unit rate.
Option (2) on the top row will be the answer.
Answer:
4 &15 i think
Step-by-step explanation: