3 years ago

Each question is asking something different please round will mark brainliest

Mathematics

1 answer:

11111nata11111 [884]3 years ago

3 0

Answer:

1) 78.54

2) 490.87

3) diameter: 15.9999 so 16.00? circumference: 50.27

Step-by-step explanation:

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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

Solve the absolute value equation or indicate that the equation has no solution. |x-5|=4

Lelu [443]

Step-by-step explanation:

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1 year ago

192 is what percent of 128

charle [14.2K]

Answer:

245.76

Step-by-step explanation:

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3 years ago

Choose the definition for the function

uysha [10]

Answer:

The answer is C.

Step-by-step explanation:

The first line's slope is 2x and it y-intercept is 4. The second line's slope is simple 1x or just x (they are both the same).

4 0

3 years ago

What is the answer for this algebra question 4(2n-5)=3n+10

miss Akunina [59]

$4(2n-5)=3n+10\\\\
8n-20=3n+10\ \ \ |Subtract\ 3n\\\\
5n-20=10\ \ \ Add\ 20\\\\
5n=30\ \ \ |Divide\ by\ 5\\\\
n=\frac{30}{5}=6\\\\Solution\ is\ n=6.$

4 0

3 years ago

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