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2 years ago

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1 answer:

allsm [11]2 years ago

5 0

Use photo math , I’m sure it will help

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Solve the system of equations. *<br> 4x - 2y = 16<br> y = -5x + 13

LekaFEV [45]

Answer:

is below

Step-by-step explanation:

x= -5/7

y= -66/7

your welcome

6 0

3 years ago

Find the general solution of (x+3)y’=2y

gregori [183]

Answer:

$y=C(x+3)^2$

Step-by-step explanation:

We are given:

$\displaystyle (x+3)y^\prime=2y$

Separation of Variables:

$\displaystyle \frac{1}{y}\frac{dy}{dx}=\frac{2}{x+3}$

So:

$\displaystyle \frac{dy}{y}=\frac{2}{x+3} \, dx$

Integrate:

$\displaystyle \int\frac{dy}{y}=\int\frac{2}{x+3}\, dx$

Integrate:

$\displaystyle \ln|y|=2\ln|x+3|+C$

Raise both sides to e:

$|y|=e^{2\ln|x+3|+C}$

Simplify:

$|y|=(e^{\ln|x+3|})^2\cdot e^C$

So:

$|y|=C|x+3|^2$

Simplify:

$y=\pm C(x+3)^2=C(x+3)^2$

5 0

2 years ago

Can people help me on this please I need it!!! It’s really important

Firdavs [7]

Answer:

62

Step-by-step explanation:

The total of a triangle is 180

so 78+48 is 118

180-118=62

5 0

2 years ago

What is the value of m(7+9)n, when m = 0.5 and n = 2?

stepladder [879]

Answer:

16

Step-by-step explanation:

Plug things in then use PEMDAS:

m * (7+9) * n

= 0.5 * (7+9) * 2

= 0.5 * 16 * 2

= 16

4 0

2 years ago

Read 2 more answers

An equation in the system is y = x + 1. What is the other equation in the system if the solution is only at (0, 1)?

Setler [38]

<span>x + y = 0 hope this helps </span>

6 0

3 years ago