Please help asap!

Mathematics

2 answers:

sergey [27]2 years ago

8 0

Answer:

I think -24 for the hourly change

Step-by-step explanation:

10-24= -14

Anna007 [38]2 years ago

5 0

Answer: -4

Step-by-step explanation:

Subtract 10 by -14 to get -24 then divide by 6 because ben was at work for 6 hours to get -4

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Y_Kistochka [10]

Answer:

The first option im pretty sure

Step-by-step explanation:

6 0

1 year ago

Inverse laplace of [(1/s^2)-(48/s^5)]

Katen [24]

**Refresh page if you see [ tex ]**

I am not familiar with Laplace transforms, so my explanation probably won't help, but given that for two Laplace transform $F(s)$ and $G(s)$ , then $\mathcal{L}^{-1}\{aF(s)+bG(s)\} = a\mathcal{L}^{-1}\{F(s)\}+b\mathcal{L}^{-1}\{G(s)\}$

Given that $\dfrac{1}{s^2} = \dfrac{1!}{s^2}$ and $-\dfrac{48}{s^5} = -2\cdot\dfrac{4!}{s^5}$

So you have $\mathcal{L}^{-1}\left\{\dfrac{1}{s^2} - 2\cdot\dfrac{4!}{s^5}\right\} = \mathcal{L}^{-1}\left\{\dfrac{1}{s^2}\right\} - 2\mathcal{L}^{-1}\left\{\dfrac{4!}{s^5}\right\}$

From Table of Laplace Transform, you have $\mathcal{L}\{t^n\} = \dfrac{n!}{s^{n+1}}$ and hence $\mathcal{L}^{-1}\left\{\dfrac{n!}{s^{n+1}}\right\} = t^n$

So you have $\mathcal{L}^{-1}\left\{\dfrac{1}{s^2}\right\} - 2\mathcal{L}^{-1}\left\{\dfrac{4!}{s^5}\right\} = \boxed{t-2t^4}$ .

Hope this helps...

7 0

2 years ago

Rewrite as a simplified fraction.<br> 0.83 = 8/9

mina [271]

it is in the smallest form!

4 0

2 years ago

Simplify this expression 13+(-12)-(-5)

omeli [17]

The answer is 6

Explaination: