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Reika [66]
2 years ago
5

Someone help please i don’t want to fail math

Mathematics
1 answer:
VladimirAG [237]2 years ago
5 0

Answer:

Image below!

Step-by-step explanation:

<u>Plotting </u>\underline{y=2x+3}<u />

Step 1: determine the y-intercept

(0,3)

  • plot the point as the first point on the graph

Step 2: Move 2 units up, and 1 unit left (keep repeating this process until you have reached the limit of the graph)

Step 3: Go to the other side of the graph of the first point (y-intercept)

  • move 2 units down, and 1 unit right keep repeating this process until you have reached the limit of the graph)

<em>When you've completed this process, it should look like this:</em>

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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

5 0
4 years ago
HELP PLS I WILL MARK BRAINLIEST ANSWER ASAP HELP PLEASE!!!
hodyreva [135]

Answer:

hope this helps you

4 0
4 years ago
You drive 132 miles in 3 hours. At
yarga [219]

Answer and Step-by-step explanation:

To solve, we need to find how many miles are driven in an hour.

<u>Divide 132 by 3.</u>

132/3 = 44

<u>Now, we need to find how many hours it would take to drive 110 miles.</u>

\frac{44 miles}{1 hour} = \frac{110 miles}{? hours} \\\\

<u>Cross multiply.</u>

<u />44(?) = 110<u />

<u>Divide by 44.</u>

<u />? hours = 2.5 hours<u />

<u />

<u>So, it would take 2.5 hours to drive 110 miles.</u>

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7 0
3 years ago
Explain how to obtain the equation 3x=6 from the given system <br><br><br> 2x+y=5<br> x-y=1
Rudiy27

Answer:

Adding the 2 equations.

Step-by-step explanation:

Add the two equations:

2x+y+(x-y)=5+1

2x+x+y-y=6

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4 0
3 years ago
Help me please! will mark brainliest for the correct answer
IceJOKER [234]

Answer:

see explanation

Step-by-step explanation:

Using the rules of exponents

a^{m} × a^{n} ⇔ a^{(m+n)}

(a^m)^{n} = a^{mn}

a^{-m} ⇔ \frac{1}{a^{m} }

Thus

4^{3x-2}

= 4^{3x} × 4^{-2}

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= 64^{x} × \frac{1}{4^2}

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4 0
3 years ago
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