Answer:
The number of watches must he repair to have the lowest cost is 54.
Step-by-step explanation:
The cost of operating Bob's shop is given by
Differentiate the given function with respect to x.
... (1)
Equate C'(x) equal to 0, to find the critical point.
Divide both sides by 4.
Differentiate C'(x) with respect to x.
C''(x)>0, it means the cost of operating is minimum at x=54.
Therefore the number of watches must he repair to have the lowest cost is 54.
Answer:
The ratio is 18:21 so it would be the same as 6:7. The final ratio is 126(cats):147(dogs)
Step-by-step explanation:
The sweaters sale price would be 20. Since the sweater normally cost $50, and it’s 30% , it’s taking 30 away from the 50 which is : 50-30= 20
Answer:
Step-by-step explanation:
In the distributive property each value inside the parenthesis will be multiplied by the value outside the parenthesis.
In the expression 3(x - 1) it will look like:
Then we multiply both value separately giving us:
So in conclusion it would be right to assume that.