Answer:
Side of square bottom=6.46 m
Height of box=4.31 m
Step-by-step explanation:
Let s be the side bottom
Height of box=h
Volume of box=
Volume of box=


Cost of bottom=$40 per square m
Cost of sides =$30 per square m
Total cost=


Differentiate w.r.t s






Again,differentiate w.r.t s

Substitute s=6.46

Hence, the cost is minimum at s=6.46

Side of square bottom=6.46 m
Height of box=4.31 m
The answers are
M1 = 112°
M2 = 26°
The answer is B.<span>Olya could skip a month or two paying for her school loan and put the money towards her credit card debt. just took the test..</span>
Based on the given conditions, formulate:
Rearrange unknown terms to the left side of the equation:
Combine like terms:
Calculate the sum or difference:
Divide both sides of the equation by the coefficient of variable:
Answer: k=41/3
Answer: $300
Step-by-step explanation:
Mr. Calvin earned 
He spent
on food i.e.



Remaining money = 
So, he saved $300 after expenses