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3 years ago

Whats (0,5), m=1/3 in point-slope form

1 answer:

3 0

Y-5 = (1/3)(x)

You can look at Khan Academy for how to write an equation in point-slope form but I think it's pretty self explanatory.

y - (the y value in the point) = (slope)*(x - (the x value in the point))

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I spent 3/4 of my money and then I spent 1/5 of what was left.

Kazeer [188]

(3/4)+(1/5(1/4)

As my thinking, this is the answer...

please click on the thanks button if this was helpful..

Have a great day!

4 0

3 years ago

Directions:Use the product rule to simplify the following monomials.

Ann [662]

Answer:

See answers below

Step-by-step explanation:

6) -12(a^5)(b^6)

7) -24(x^8)(y^11)

8) -30y^6

9) -6(x^4)(y^5)

10) 42(m^3)(n^5)

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3 years ago

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Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Anoth

belka [17]

The answer is 40. Hope this helps :)

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3 years ago

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600/99 in simplest form

Sophie [7]

Answer:

200/33

Step-by-step explanation:

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4 years ago

Read 2 more answers

Inverse laplace of L^-1 {5s/s^2 + 3s - 4}

Salsk061 [2.6K]

Answer:

$e^t+e^{-4t}$

Step-by-step explanation:

We have to simplify the original function using partial fraction, hence:

$\frac{5s}{s^2+3s-4} =\frac{5s}{(s-1)(s+4)}\\\\=\frac{A}{s-1}+\frac{B}{s+4}\\\\Therefore:\\\\\frac{A(s+4)+B(s-1)}{(s-1)(s+4)}=\frac{5s}{(s-1)(s+4)}\\\\Eliminating\ the \ denominator:\\\\A(s+4)+B(s-1)=5s\\\\substitute\ s=1:\\\\A(1+4)+B(1-1)=5(1)\\\\5A=5\\\\A=1\\\\tsubstitute\ s=-4:\\\\A(-4+4)+B(-4-1)=5(-4)\\\\-5B=-20\\\\B=4\\\\Therefore\ substituting\ A\ and\ B\ gives:\\\\\frac{5s}{s^2+3s-4}=\frac{1}{s-1}+ \frac{4}{s+4}\\\\$

$From\ Laplace\ inverse:\\\\But\ L^{-1}[\frac{1}{s-a} ]=e^{at}\\\\Hence:\\\\L^{-1} [\frac{5s}{s^2+3s-4}]=L^{-1}[\frac{1}{s-1} ]+L^{-1}[\frac{4}{s+4} ]=e^{t}+4e^{-4t}\\\\L^{-1} [\frac{5s}{s^2+3s-4}]=e^{t}+4e^{-4t}$

5 0

3 years ago