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baherus [9]
3 years ago
9

How do you solve and equation for the indicated variable?

Mathematics
1 answer:
notsponge [240]3 years ago
7 0
You first have to get all the variables together in to one and get rid of the constants on the other side until you can successfully isolate the variable that equals your answer
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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
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Answer:

Step-by-step explanation:

As you can see, this is a quadratic equation and if you were to graph this you would see that it is a parabola that opens down because of the negative leading coefficient (-34). The maximum profit would be at the vertex, of the graph. Therefore, we need to find the value of "y" when "x" is the line of symmetry. We find this by  x=-b/(2a) where a = -34 and b = 1542:

x=-1542/(2)(-34)

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x=152/68  

We put this value of "x" into the original formula to find out the value of "y":

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y= -17483.5588235 + 34967.1176471 -10037

y=7446.5588236

Therefore, the maximum profit would be $7446.56.

Hope this helps!

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