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3 years ago

9

Please help will mark brainlest!

1 answer:

pochemuha3 years ago

5 0

Answer:

x=94º

Step-by-step explanation:

180=x+5+x-13

180=2x-8

180+8=2x

188=2x

94=x

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Find dy/dx for 4 - xy = y^3

storchak [24]

Answer:

$\frac{dy}{dx}=-\frac{y}{3y^2+x}$

Step-by-step explanation:

4-xy=y^3

dy/dx=?

$\frac{d(4-xy)}{dx}=\frac{d(y^3)}{dx}\\ \frac{d(4)}{dx}-\frac{d(xy)}{dx}=3y^{3-1}\frac{dy}{dx}\\ 0-(\frac{dx}{dx}y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -(1y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -(y+x\frac{dy}{dx})=3y^2\frac{dy}{dx}\\ -y-x\frac{dy}{dx}=3y^2\frac{dy}{dx}$

Solving for dy/dx: Addind x dy/dx both sides of the equation:

$-y-x\frac{dy}{dx}+x\frac{dy}{dx}=3y^2\frac{dy}{dx}+x\frac{dy}{dx} \\ -y=3y^2\frac{dy}{dx}+x\frac{dy}{dx}$

Common factor dy/dx on the right side of the equation:

$-y=(3y^2+x)\frac{dy}{dx}$

Dividing both sides of the equation by 3y^2+x:

$\frac{-y}{3y^2+x}=\frac{(3y^2+x)}{3y^2+x}\frac{dy}{dx}\\ -\frac{y}{3y^2+x}=\frac{dy}{dx}\\ \frac{dy}{dx}=-\frac{y}{3y^2+x}$

7 0

3 years ago

HI! please help out ASAP this is due today! Explain it the best you can and send a picture explaining it so I won’t get confused

Arte-miy333 [17]

Answer:

Step-by-step explanation:

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3 years ago

If a card is chosen at random from a pack of 52 playing cards, what is the probability of a Queen or a Club?

bonufazy [111]

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3 years ago

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Nesterboy [21]

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3 years ago

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What is the slope of the line y=3x/7 + 4/7

Natalija [7]

Answer:

the slope of y=3x/7+4/7 is M=3 over 7

5 0

3 years ago