3 years ago

What is the answer to Y=-1/5x-5 y=2/5x-2

1 answer:

3 0

Do u need to graph?
Well... idk if u need to graph cause' the problem is give you the lines =Y-intercept and the Slope...?

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salantis [7]

Answer:

1 3/4 simplified or 1 12/16 not simplified

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Which of the following is NOT true?

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A trapezoid is a rectangle.

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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

Ralph’s classroom measures 12 meters in length. What is the length of the classroom in millimeters?

In-s [12.5K]

Answer:

b. 12 000 mm

Step-by-step explanation:

multiply by 1 000

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3 years ago

15 POINTS!! Please help me with this math problem quick. Thank you so much

lilavasa [31]

Answer:

1.71

Step-by-step explanation:

by using definition of cos

$BC=BA\times \cos{70°}=5\cos{70°}=1.71$

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3 years ago