2 years ago

What is the sum of n and 6

Mathematics

1 answer:

Andru [333]2 years ago

5 0

Answer:

Step-by-step explanation:

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Find a particular solution to y" - y' + 9y = 3 sin 3x

Dima020 [189]

Answer:

cos3x

Step-by-step explanation:

y" - y' + 9y = 3 sin 3x

$D^{2}y-Dy+9y=3 sin3x$

$y=\frac{3 sin 3x}{(D^{2} -D+9}=3 sin 3x$

here $D^2$ will be replaced by $\alpha^2$ where $\alpha$ is coefficient of x

$y=\frac{3 sin 3x}{-3^{2} -D+9}$

$y=-3\frac{sin 3x}{D}$

$y=-3\int\ {sin 3x} \, dx$

$y=-3\frac{cos3x}{-3}$

y=cos3x

hence Particular solution is cos3x

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3 years ago

A family took a trip. They spent $90.71 for gasoline, $153.00 on meals, $197.00 on amusements, and $73.38 on miscellaneous expen

Romashka [77]

Hello!

Theoretically, the actual TRIP cost $90.71, because the extra money spent was on other things other than the transportation, which is the main part of the trip.

but in total, DURING that trip, they spent $514.09

I hope this helps, and have a nice day!

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3 years ago

What are possible values of the number?

klio [65]

Answer:

I think is F

Step-by-step explanation:

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3 years ago

Write the equation of the graph in vertex form enter power using ^ and don’t forget y or f(x)

enyata [817]

Me!!!! 245554! Then do 45316