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3 years ago

15

(transformasi laplace) tentukan L { f ( t ) } apabila f(t) masing masing fungsi berikut. f(t)= 5t^3 - 6sin2t + 4e^-4t

1 answer:

PIT_PIT [208]3 years ago

4 0

Answer:..................................................................

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What is the period of y=2cos(3x-2π)?

Strike441 [17]

$y=2\cos(3x-2\pi)\\\\\text{The period of a cosine is}\ 2\pi.\\\\P-period\\\\2\cos(3(x+P)-2\pi)=2\cos(3x-2\pi)\qquad\text{divide both sides by 2}\\\\\cos(3x+3P-2\pi)=\cos(3x-2\pi)\iff3x+3P-2\pi=3x-2\pi+2\pi\\\\3x+3P-2\pi=3x\qquad\text{subtract 3x from both sides}\\\\3P-2\pi=0\qquad\text{add}\ 2\pi\ \text{to both sides}\\\\3P=2\pi\qquad\text{divide both sides by 3}\\\\\boxed{P=\dfrac{2\pi}{3}}\\\\Answer:\ \boxed{D.\ \dfrac{2\pi}{3}}$

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3 years ago

Maya shaved her head and then began letting her hair grow. She represents the length L of her hair, in centimeters, m months aft

Lesechka [4]

Answer:

1.25 means that in one month, her hair will grow 1.25 centimeters.

3 0

4 years ago

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NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WILL GIVE 99 pts AND BRAINLIES

spin [16.1K]

Answer:

18

Step-by-step explanation:

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3 years ago

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Sever21 [200]

Answer:

64m^3

Step-by-step explanation:

The volume of a cube formula is side^3.

Using that formula, we get 64 meters cubed as the answer.

The formula for the volume of cylinder is pi*r^2*h.

What is the radius and what is the height?

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3 years ago

Please help- I don't know math very well :(

Vanyuwa [196]

#1

$\\ \sf\longmapsto f(x)=4(x-3)$

$\\ \sf\longmapsto f(3)$

$\\ \sf\longmapsto 4(3-3)$

$\\ \sf\longmapsto 4(0)$

$\\ \sf\longmapsto 0$

#2

Here

a_n=7n

$\\ \sf\longmapsto a_{10}=7(10)=70$

#3

d=1/4

a=1/4

$\\ \sf\longmapsto a_4=a+(n-1)d$

$\\ \sf\longmapsto a_4=\dfrac{1}{4}+(3)(\dfrac{1}{4})$

$\\ \sf\longmapsto a_4=1$

#4

$\\ \sf\longmapsto y=2x-8$

$\\ \sf\longmapsto 2x=y+8$

$\\ \sf\longmapsto f(x)=\dfrac{8+y}{2}$

#5

$\\ \sf\longmapsto a_n=n-1$

$\\ \sf\longmapsto 4.5- 4(0.5)$

$\\ \sf\longmapsto 4.5-2$

$\\ \sf\longmapsto 2.5$

8 0

3 years ago

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