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:
Yes it's 81
Step-by-step explanation:
9 x 9 = 81
9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 = 81
Your welcome
V = 3.14 x 12 x 3.4 x 3.4
V = 435.6.1 ft^2
hope it helps
Answer:
Thr Answer is 42.195 kilometers
Using PEMDAS, You know that you have to multiply first so 3*2 is 6. Than you have to add 6+4 which gives you 10... So there for 10 is your answer....