40/79−162.5%= whats the answer.

Mathematics

1 answer:

ozzi4 years ago

8 0

-1.118670886075949 is your answer.

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If x represents a number then write an expression for a number that is eight less than twice the value of x.

kherson [118]

Twice the value of x is 2x, because it’s x with another x added on top (x + x = 2x)

Eight less than that is 2x - 8. That’s because you are taking away 8 from 2x (less than = subtraction).

Therefore your final expression is 2x - 8.

3 0

3 years ago

Read 2 more answers

Use theorem 7. 4. 2 to evaluate the given laplace transform. do not evaluate the convolution integral before transforming. (writ

irga5000 [103]

With convolution theorem the equation is proved.

According to the statement

we have given that the equation and we have to evaluate with the convolution theorem.

Then for this purpose, we know that the

A convolution integral is an integral that expresses the amount of overlap of one function as it is shifted over another function.

And the given equation is solved with this given integral.

So, According to this theorem the equation becomes the

$\mathscr{L} \left( \int_{0}^{t} e^{-\tau} \cos \tau d \tau \right) = \frac{ \mathscr{L} (e^{-\tau} \cos \tau ) }{s} \\\mathscr{L} \left( \int_{0}^{t} e^{-\tau} \cos \tau d \tau \right) = \frac{\frac{s+1}{(s+1)^2+1}}{s} \\\mathscr{L} \left( \int_{0}^{t} e^{-\tau} \cos \tau d \tau \right) = \frac{1}{s}\left (\frac{s+1}{(s+1)^2+1} \right).$