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eduard
3 years ago
11

Help if u know it please!!!

Mathematics
1 answer:
Ulleksa [173]3 years ago
5 0
Mean: add all the numbers, then dived the sum by hwo many numbers there are.
72.3 + 74.5 + 81.1 + 72.3 + 75.6 + 79 = 754.8
754.8 ÷ 6 = 75.8
Mean = 75.8°

Median: Put all the number in order from lowest to highest. The middle number is the median. If there are two numbers in the middle, add them then divide the sum by 2.
72.3, 72.3, 74.5, 75.6, 79, 81.1
74.5 + 75.6 = 150.1
150.1 ÷ 2 = 75.05 ~ 75
Median = 75°
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2 years ago
Let f(x, y) = (x + y)e x 2−y 2 and R be the rectangle enclosed by the lines x − y = 0, x − y = 2, x + y = 0, and x + y = 3.
dalvyx [7]

Answer:

(1/4)*(e⁶ - 7)

Step-by-step explanation:

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x − y = 0  if  x = 0  ⇒  y = 0

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x + y = 0  if  x = 0   ⇒  y = 0

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then we show the region R in the pics 1 and 2.

b) We make the change of variables as follows

u = x + y

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x - y = 0  ⇒ v = 0

x − y = 2  ⇒ v = 2

x + y = 0  ⇒ u = 0

x + y = 3  ⇒ u = 3

Where u is the horizontal axis and v is the vertical axis, the new region S is shown in the pic 3.

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The procedure is shown in the pic 4, where we have to calculate the Jacobian in order to use it to get the answer.

7 0
3 years ago
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