A company's weekly profit can be modeled by the equation y=-0.5x^2+50x-300 where y is the profit (in dollars) and x is the numbe
1 answer:
Answer:
Step-by-step explanation:
The number of items sold that gives the max profit is found in the vertex of this quadratic, (h, k). Lucky for us we have a formula for k that will give us exactly what we are looking for, and nothing else.
where a = -.5, b = 50, and c = -300:
The max profit is $950 per week
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2. The slant height l is found as follows:
3.
4. The answer is C
Answer:
Step-by-step explanation:
For finding the system of equations you can use one of two methods. There's the elimination method and also the substitution method. For this I think the best way we could go at solving this is by using the elimination method. Since we can eliminate the 2y. We can then solve for x and then we'll go from there.
Now that we know what x is we can substitute it for one of the equations and then we will be able to solve for y.
So now we have the x and the y and once we place them together we can get the solution of those two equations, and the solution is .