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Akimi4 [234]
3 years ago
14

Round each addend to the nearest ten thousand,and then find the estimated sum.?

Mathematics
1 answer:
Lyrx [107]3 years ago
5 0
Round each addend to the nearsest ten thousand, and then find the estimated sum for 337,961 + 482,746 = 820,707
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Will give brainlest worth 20 points
aliya0001 [1]

This situation shows that <em>the sides lengths of rectangle P is three times longer than the similar sides on Q</em>. <em>x correlates to 4 ft</em>, and <em>9 ft correlates to y</em>.

This means <em>x = 3*4</em> and <em>9 = 3*y</em>.

x = 12 (simplification)

y = 9/3 (division)

y = 3 (simplification)

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3 years ago
The average of 3 numbers is 15 two of the numbers are 7 and 10 what is the third number?
Zielflug [23.3K]

9514 1404 393

Answer:

  (b)  28

Step-by-step explanation:

The total of the 3 numbers will be 3×15 = 45. Then the third number is ...

  45 -7 -10 = 28

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Answer:

x<20

Step-by-step explanation:

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3 years ago
Helpie plzzzzzzzzzzzz my teacher really hate me ig
Lyrx [107]

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Step-by-step explanation:

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3 years ago
Read 2 more answers
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:

a) Given

x − y = 0  if  x = 0  ⇒  y = 0

x − y = 2  if  x = 0  ⇒  y = -2;  if  y = 0   ⇒  x = 2

x + y = 0  if  x = 0   ⇒  y = 0

x + y = 3  if  x = 0  ⇒  y = 3;  if  y = 0   ⇒  x = 3

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

b) We make the change of variables as follows

u = x + y

v= x - y

If

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.

c) We evaluate ∫∫R (x + y)*e∧(x² - y²)dA

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

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3 years ago
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