1 year ago

Please help me this is geometry

Mathematics

1 answer:

babymother [125]1 year ago

3 0

Answer:

I think the solution will be like this

I hope it's right :)

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Which ordered pairs in the form (x, y) are solutions to the equation 7x−5y=28?

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(-4, _)

(1, _)

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Step-by-step explanation:

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2 years ago

Please help with this!!

maw [93]

Answer:

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1 year ago

Look at this set of ordered pairs:

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Answer: Yes

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2 years ago

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Snezhnost [94]

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3 years ago

Read 2 more answers

Find a such that the solution of y'' + y' − 2y = 0, y(0) = a, y' (0) = 1 tends to zero as t → +∞.

Kay [80]

Answer:

Step-by-step explanation:

$y'' + y' − 2y = 0, y(0) = a, y' (0) = 1$

Auxialary equation is

$m^2+m-2=0\\m=-2,1$

General solution is

$y=Ae^{-2x} +Be^x$

$y(0) = A+B =a$

$y'(0) = -2Ae^{2x} +Be^x = -2A+B = 1$

Eliminate B to get

3A =a-1

We know that y tends to 0 when x tends to infinity for any finite A

i.e. a should be a finite real number.

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3 years ago