2 years ago

Plz help with these first one gets brainliest

Mathematics

2 answers:

lbvjy [14]2 years ago

8 0

A=(1,6) B=(1,6). they both are the same thing

vlabodo [156]2 years ago

4 0

Answer:

A=(1,6) B=(1,6)

Step-by-step explanation:

Its the absolotle value between them.

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creativ13 [48]

Answer:

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3 years ago

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Gnoma [55]

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3 years ago

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Use Laplace transform methods to solve the differential equation: The initial conditions are f(0) = 0 and <img src="https://tex.

Llana [10]

Answer:

Step-by-step explanation:

$\frac{d^2 y}{dt^2} +12\frac{dy}{dt} +32y = 10e^{-2t}$ where f(x) is replaced by y

Take Laplace on both sides

$s^2 Y -s(0)-0 +12s Y-0+32Y = \frac{10}{s+2} \\Y(s^2+12s+32) = \frac{10}{s+2}\\Y = \frac{10}{(s+2)(s+4)(s+8)}$

We can resolve into partial fraction to get Y = L(y)

Let this equals

$\frac{A}{s+2} +\frac{B}{s+4} +\frac{C}{s+8} \\10 = A(s+4)(s+8) + B(s+2)(s+8) +Cs+4)(s+2) \\$

Solving we get

s=-9

24C = 10 or C =5/12

s=-2: A=10/12=5/6

s=-4: B = -5/4

Taking inverse Laplace

$y(t) = \frac{-5e^{-4t} }{4} + \frac{5e^{-8t} }{12} +\frac{-5e^{-2t} }{6}$

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3 years ago

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miss Akunina [59]

Answer:

-2(0)²+24(0)-54

= -54

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jeka57 [31]

34% = 0.34
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3 years ago

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