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VladimirAG [237]
3 years ago
9

Stacy has 3 collector’s cards. She receives 2 more cards each week that she volunteers

Mathematics
2 answers:
hram777 [196]3 years ago
7 0

Answer:

y=2x+3

Step-by-step explanation:

Salsk061 [2.6K]3 years ago
5 0
Y=2x+3 or
y=3x+2




Dhfhhfhvghfh
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Kevin is trying to find a white sock in his drawer. He has 16 white socks, 4 brown socks, and 6 black socks. What is the probabi
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Jenny says the two expressions 7a – 4 + 3a - 6 and 4a – 10 are<br> equivalent? Is she correct?
zavuch27 [327]

Answer:

no she is wrong

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
The general solution of 2 y ln(x)y' = (y^2 + 4)/x is
Sav [38]

Replace y' with \dfrac{\mathrm dy}{\mathrm dx} to see that this ODE is separable:

2y\ln x\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{y^2+4}x\implies\dfrac{2y}{y^2+4}\,\mathrm dy=\dfrac{\mathrm dx}{x\ln x}

Integrate both sides; on the left, set u=y^2+4 so that \mathrm du=2y\,\mathrm dy; on the right, set v=\ln x so that \mathrm dv=\dfrac{\mathrm dx}x. Then

\displaystyle\int\frac{2y}{y^2+4}\,\mathrm dy=\int\dfrac{\mathrm dx}{x\ln x}\iff\int\frac{\mathrm du}u=\int\dfrac{\mathrm dv}v

\implies\ln|u|=\ln|v|+C

\implies\ln(y^2+4)=\ln|\ln x|+C

\implies y^2+4=e^{\ln|\ln x|+C}

\implies y^2=C|\ln x|-4

\implies y=\pm\sqrt{C|\ln x|-4}

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10. multiply 4x(x3 2)
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