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Setler79 [48]
2 years ago
11

A medical equipment industry manufactures X-ray machines. The unit cost C (the cost in dollars to make each X-ray machine) depen

ds on the number of machines made. If X machines are made, then the unit cost is given by the function C(x)=0.7x^2-462x+88218 .
What is the minimum unit cost?
Mathematics
1 answer:
earnstyle [38]2 years ago
5 0

Answer:

$11988

Step-by-step explanation:

Given that,

The unit cost is given by :

C(x)=0.7x^2-462x+88218

We need to find the minimum unit cost.

For minimum cost,

Put \dfrac{dC}{dx}=0

So,

\dfrac{d}{dx}(0.7x^2-462x+88218)=0\\\\1.4x-462=0\\\\x=\dfrac{462}{1.4}\\\\x=330

Put x = 330 in equation (1).

C(330)=0.7(330)^2-462(330)+88218\\\\=\$11988

So, the minimum unit cost is equal to $11988.

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The altitude is changing at a speed of 200 √3 km/hr

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Here, we want to know how far the altitude of the plane is changing

we are told that the airplane makes an angle of 60 degrees with the ground

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sin 60 = x/ 400

x = 400 sin 60

x = 400 * √3/2

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2 years ago
Please help! : What is the actual length of a window that is 1 1/4 inches long on a drawing with a scale of 1 inch= 6 feet? This
BabaBlast [244]
\bf \begin{array}{ccllll}
model&actual\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
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\bf \cfrac{1}{\frac{5}{4}}=\cfrac{6}{x}\implies \cfrac{\frac{1}{1}}{\frac{5}{4}}=\cfrac{6}{x}\implies \cfrac{1}{1}\cdot \cfrac{4}{5}=\cfrac{6}{x}\implies \cfrac{4}{5}=\cfrac{6}{x}
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7 0
2 years ago
A certain triangle has two 45° angles, what type of triangle is it?
Anastaziya [24]
A right triangle? because it has angle measures or 45, 45, 90. 
8 0
3 years ago
Read 2 more answers
Mr. Frankel bought 7 tickets to a puppet show and spent $43. He bought a combination of child tickets for $4 each and adult tick
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A + C = 7
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The total cost C dollars, that a shop charges to print T shirts C = 45 + 7n , is the number of shirts ordered. Coach Dell paid 2
Lesechka [4]

Answer:

i think the answer is 23

Step-by-step explanation:

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3 years ago
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