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Lyrx [107]
3 years ago
10

The following 13 real estate prices (in dollars) represent the sales prices for a city in the month of June: 389,950; 230,500; 1

58,000; 479,000; 639,000; 114,950; 5,500,000; 387,000; 659,000; 529,000; 575,000; 488,800; 1,095,000
Mathematics
1 answer:
nignag [31]3 years ago
6 0

... I think i know it but needs a great effort

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I need help making the sentence make sense
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Find the absolute maximum and minimum values of f(x,y)=xy−4x in the region bounded by the x-axis and the parabola y=16−x2.
skad [1K]

Answer:

The absolute maximum and minimum is 20\; \text{and} -20.

Step-by-step explanation:

We first check the critical points on the interior of the domain using the

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f_x=y-4=0

f_y=x=0

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\therefore (0,4) is a saddle point.

Boundary points -  (4,0),  (-4,0), (0,16)

Along boundary  y=16-x^2

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=16x-x^3-4x

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Values of f(x) at these points.

\begin{array}{}(4,0)=-16\\(-4,0)=16\\(0,16)=0\\(2,14)=20\\(-2,14)=-20\end{array}

Therefore, the absolute maximum and minimum is 20\; \text{and} -20.

6 0
3 years ago
A rectangle is inside a circle with a 5 cm radius.
MrRa [10]

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We have to subtract the two areas to find the shaded area.

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Rus_ich [418]

Answer:

Yes they should be congruent ones just at a different angle.

Step-by-step explanation:

6 0
3 years ago
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