4 years ago

C(x)=0.4x^2-208x+37,365. what is the minimum cost of manufacturing dresses?

1 answer:

6 0

2nd degree and in form ax^2+bx+c it is a prabola the minimum cost is the vertex (every parabola has only one, min or max) minimum cost is the vertex vertex=-b/(2a) a=0.4 b=-208 vertex=-(-208)/(2*0.4) vertex=208/0.8 vertex=260 (means 260 dresses) that is x value subsitute for y value C(x)=0.4(260)^2-208(260)+37365 C(x)=10325 minimum cost is $10,325

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A circle is inscribed in a square is 10 inch sides what is the circumference of the circle use 3.14 as an approximation for pie

MissTica

Answer:

31.4 inches

Step-by-step explanation:

If a circle is inscribed in a square then diameter of circle inscribed is same as side as of square.

In the given problem it is given that side of square is 10 inches.

So diameter of circle inscribed is 10 inches

we know radius of circle is half of diameter of circle

Thus, radius of circle inscribed = diameter of circle/2 = 10/2 = 5inches.

Expression to calculate circumference of circle is given by $2\pi r$