3 years ago

Help me will give brain

Mathematics

2 answers:

irina [24]3 years ago

7 0

(1-9) is The answer if I’m right mark Brainly

pishuonlain [190]3 years ago

6 0

Should be S(1, -9) because you are rotating it 90 degrees which is 1/4 of 360 degrees.

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The differfence between the product of seven and a number and two times the number

olga2289 [7]

Answer:

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Step-by-step explanation:

7×(x-10)

you ×7by whatever x-10 is

4 0

2 years ago

5. Find the general solution to y'''-y''+4y'-4y = 0

CaHeK987 [17]

For any equation,

$a_ny^(n)+\dots+a_1y'+a_0y=0$

assume solution of a form, $e^{yt}$

Which leads to,

$(e^{yt})'''-(e^{yt})''+4(e^{yt})'-4e^{yt}=0$

Simplify to,

$e^{yt}(y^3-y^2+4y-4)=0$

Then find solutions,

$\underline{y_1=1}, \underline{y_2=2i}, \underline{y_3=-2i}$

For non repeated real root y, we have a form of,

$y_1=c_1e^t$

Following up,

For two non repeated complex roots $y_2\neq y_3$ where,

$y_2=a+bi$

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$y_3=a-bi$

the general solution has a form of,

$y=e^{at}(c_2\cos(bt)+c_3\sin(bt))$

Or in this case,

$y=e^0(c_2\cos(2t)+c_3\sin(2t))$

Now we just refine and get,

$\boxed{y=c_1e^t+c_2\cos(2t)+c_3\sin(2t)}$

Hope this helps.

r3t40

5 0

3 years ago

Miss milliman reserving a room at the hotel India for a trip to see a show at the Fox Theater Hotel India charge of $717 for a t

sammy [17]

717/3= 239

Divide 717 by 3 to get the price of one night.

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3 years ago

What gives humans a particular advantage over other species in the use of<br> commons?

Artemon [7]

Answer:

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Step-by-step explanation:

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aalyn [17]

Answer:

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