Answer:
Step-by-step explanation:
9.4 * 8.3 =78.02 
is it that you don't have a calculator or that you didn't know to multiply the two numbers? ( most computers have built in calculators ) :/
I'm not quite sure what your asking but if you just want to represent it then it is 57+b
Answer: 4=X
Step-by-step explanation:
You divide 4x by itself, and divide 16 by 4x leaving you with X and 4 (I'm pretty sure)
Answer:62
Step-by-step explanation:
Answer:
5000
Step-by-step explanation:
In vertex form, the cost function is ...
C(x) = 3(x² -10x) +175 = 3(x² -10x +25) +175 -3(25)
C(x) = 3(x -5)² +100
The vertex is at x=5, so the cost function will be minimized when 5000 speed boats are produced.