3 years ago

I will mark as the brainliest answer

Mathematics

1 answer:

Afina-wow [57]3 years ago

3 0

The scale factor from the small one to the big one is 3

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First change to standard form of first order linear differential equation and then by finding the appropriate integrating factor

Leokris [45]

Answer:

Step-by-step explanation:

Given is a Differential equation as

$xy' + y = lnx ; y(e)=1$

To bring it to linear form we can divide the full equation by x

$y'+\frac{y}{x} =\frac{ln x}{x}$

This is of the form

y'+p(x) *y = q(x)

p(x) = 1/x

So find

$e^{\int\limits{\frac{1}{x} } \, dx } = e^{ln x} = x$

Solution is

$xy = \int {x*lnx /x } \, dx =xln x -x +C$

Use the initial value as y(e) =1

$e= eln e -e+C\\C=e$

So solution is

$xy =xln x -x+e$

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3 years ago

A triangle cannot be both A. obtuse and right. B. acute and isosceles. C. equilateral and equiangular. D. scalene and acute.

Lady bird [3.3K]

A.) A Triangle cannot be both "Obtuse and Right"

[ It must be either Obtuse, Right or Acute. Never with two multiple properties ]

Hope this helps!

6 0

3 years ago

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Is this right ? Plz help mee

sasho [114]

6.32 is the final answer! :)

6 0

2 years ago

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Can you help me with this please???

11111nata11111 [884]

Answer:

Step-by-step explanation:

divide 14 by 4 to solve it, you get 3.5 or 3 1/2

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2 years ago

I NEED HELP RNNNNNNNNNN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Law Incorporation [45]

The answer is the last option 32x8 hope this helps

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3 years ago

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