Answer:
No, the simplification is not done correctly. When multiplying
we should get -6 instead of -9.
the correct answer is 12k-8
Step-by-step explanation:
We need to tell if process was done correctly. If not, explain and correct the error by showing your own work.
The steps given are:

No, the simplification is not done correctly. When multiplying
we should get -6 instead of -9.
Correcting the error:

So, the correct answer is 12k-8
IF the estimates are 100% accurate, then the maximum volume of concrete is the product of the maximum dimensions, namely
Vmax=18.32*12.22*0.55=123.13 m^3
and the minimum volume of concrete is the product of the minimum dimensions
Vmin=18.28*12.18*0.45=100.19 m^3
the uncertainty is therefore 123.13-100.19=22.94 m^3
On the practical side, to this uncertainty must be added to
- squareness of the formwork
- evenness of the surface of the crushed stones on which the foundation sits on
- excess of concrete delivered by the truck
- volume of air bubbles trapped in the the concrete, ...
The distance between -2 1/2 - (-3)
-2 1/2 + 3
1/2
______________________
Answer
1/2
Answer:
113.1 square mm
Step-by-step explanation:
A=πr2=π·62≈113.09734
Yes because i took this in economics class