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2 years ago

Rational numbers as a decimal -3 13/11

Mathematics

2 answers:

Xelga [282]2 years ago

7 0

-4.18 repeating. All yhu have to do is divide the numerator by the denominator.

Hatshy [7]2 years ago

4 0

The answer is -4.18 ......

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What is the answer to the value of y -1y + 11 - 20 is it 3 or -3

Tom [10]

Answer:

-9

Step-by-step explanation:

1y+11=20

-11=-11

-1y=20-11

-1=9

-9

7 0

2 years ago

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I don't know how to work it out. show work pls

mel-nik [20]

1g is equal to 0.001kg

678g = 0.678kg

(678 x 0.001 = 0.678)

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3 years ago

PLEASE HELP ME THIS QUESTION! I'LL VOTE YOU BRAINLETS!

d1i1m1o1n [39]

Answer:

see below

Step-by-step explanation:

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2 years ago

4> Solve by using Laplace transform: y'+5y'+4y=0; y(0)=3 y'(o)=o

harina [27]

Answer:

$y=3e^{-4t}$

Step-by-step explanation:

$y''+5y'+4y=0$

Applying the Laplace transform:

$\mathcal{L}[y'']+5\mathcal{L}[y']+4\mathcal{L}[y']=0$

With the formulas:

$\mathcal{L}[y'']=s^2\mathcal{L}[y]-y(0)s-y'(0)$

$\mathcal{L}[y']=s\mathcal{L}[y]-y(0)$

$\mathcal{L}[x]=L$

$s^2L-3s+5sL-3+4L=0$

Solving for $L$

$L(s^2+5s+4)=3s+3$

$L=\frac{3s+3}{s^2+5s+4}$

$L=\frac{3(s+1)}{(s+1)(s+4)}$

$L=\frac3{s+4}$

Apply the inverse Laplace transform with this formula:

$\mathcal{L}^{-1}[\frac1{s-a}]=e^{at}$

$y=3\mathcal{L}^{-1}[\frac1{s+4}]=3e^{-4t}$

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2 years ago

Can you help me guys? Solve the equation.

Jet001 [13]

Answer:

d = 244

Step-by-step explanation:

6 0

2 years ago

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