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3 years ago

15

Please help mee! The picture is up there :)

2 answers:

Nata [24]3 years ago

8 0

Answer:

That would be 5. Because, 4/1= 4 so, 4+1 would be 5.

I hope this helps.

Step-by-step explanation:

Gala2k [10]3 years ago

5 0

Answer:0

the answer is 5

Step-by-step explanation:

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What is the standard form of (4,4), perpendicular to y = -4/9x

Rudik [331]

Y=9/4x-5 is the standard form.

8 0

3 years ago

Find a homogeneous linear differential equation with constant coefficients whose general solution is given by

frez [133]

Answer:

$y" + 2y' + 2y = 0$

Step-by-step explanation:

Given

$y=c_1e^{-x}cosx+c_2e^{-x}sinx$

Required

Determine a homogeneous linear differential equation

Rewrite the expression as:

$y=c_1e^{\alpha x}cos(\beta x)+c_2e^{\alpha x}sin(\beta x)$

Where

$\alpha = -1$ and $\beta = 1$

For a homogeneous linear differential equation, the repeated value m is given as:

$m = \alpha \± \beta i$

Substitute values for $\alpha$ and $\beta$

$m = -1 \± 1*i$

$m = -1 \± i$

Add 1 to both sides

$m +1= 1 -1 \± i$

$m +1= \± i$

Square both sides

$(m +1)^2= (\± i)^2$

$m^2 + m + m + 1 = i^2$

$m^2 + 2m + 1 = i^2$

In complex numbers:

$i^2 = -1$

So, the expression becomes:

$m^2 + 2m + 1 = -1$

Add 1 to both sides

$m^2 + 2m + 1 +1= -1+1$

$m^2 + 2m + 2= 0$

This corresponds to the homogeneous linear differential equation

$y" + 2y' + 2y = 0$

6 0

3 years ago

Please help me with this!!!

RSB [31]

The answer that you have is most likely right, since the grouping did not change.

4 0

3 years ago

Each leg of a 45-45-90 triangle measures 14 cm what is the length of the hypotenuse

PtichkaEL [24]

Answer:

14 square roots of 2 is correct

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

After the expression is simplified as much as possible, x is raised to what exponent?

IrinaVladis [17]

The answer to the question

7 0

3 years ago