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Romashka-Z-Leto [24]
3 years ago
12

What is the zero of the function: y = 15x + 30

Mathematics
1 answer:
Alina [70]3 years ago
6 0

Answer:

zero is 30

Step-by-step explanation:

x intercept -2

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Find the general solution of (x+3)y’=2y
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Answer:

y=C(x+3)^2

Step-by-step explanation:

We are given:

\displaystyle (x+3)y^\prime=2y

Separation of Variables:

\displaystyle \frac{1}{y}\frac{dy}{dx}=\frac{2}{x+3}

So:

\displaystyle \frac{dy}{y}=\frac{2}{x+3} \, dx

Integrate:

\displaystyle \int\frac{dy}{y}=\int\frac{2}{x+3}\, dx

Integrate:

\displaystyle \ln|y|=2\ln|x+3|+C

Raise both sides to e:

|y|=e^{2\ln|x+3|+C}

Simplify:

|y|=(e^{\ln|x+3|})^2\cdot e^C

So:

|y|=C|x+3|^2

Simplify:

y=\pm C(x+3)^2=C(x+3)^2

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3 years ago
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Answer:

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Step-by-step explanation:

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Norma-Jean [14]
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Uber is now charging a $2.50 flat rate in addition to $0.75 per mile for your ride. Janae can spend at most $13 on her Uber Ride
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Step-by-step explanation:

<u>Full charge can be expressed as equation:</u>

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