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Jobisdone [24]
3 years ago
7

One morning Payal started walking facing her back towards the Sun. After sometime she turned left and walked for some distance,

then turned right and travelled some distance and finally turned towards the left and started walking. In which direction is she going now?
PLEASE ANSWER IT CORRECTLY!!!!!
PLEASEEEEEEE
Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0
She’s going south the sun rises west
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I think it would be C. 9/13.

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Find the solution to the differential equation dx/dy+y/3=0 subject to the initial conditions y(0)=12.
ycow [4]
\dfrac{\mathrm dx}{\mathrm dy}+\dfrac y3=0\iff\mathrm dx=-\dfrac y3\,\mathrm dy
\implies\displaystyle\int\mathrm dx=-\frac13\int\mathrm y\,dy
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Given that y(0)=12, we have

0=-\dfrac16(12)^2+C\implies C=24

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3 years ago
4x+8=7.2+5x solve for d
liberstina [14]
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8 points and brainliest answer if you get it right
MissTica
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3 years ago
Write an exponential model given the points ( 7, 12 ) and ( 8, 25 ). Round to the nearest hundredth.
inna [77]

Answer:

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

Step-by-step explanation:

The exponential model can be modelled by the following mathematical expression:

y = A\cdot e^{B\cdot x} (1)

Where:

x - Independent variable.

y - Dependent variable.

A, B - Coefficients.

If we know that (x_{1}, y_{1}) = (7,12) and (x_{2}, y_{2}) = (8,25), then we get the following system of equations:

A\cdot e^{7\cdot B} = 12 (2)

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If we divide (3) by (2), we calculate the value of B:

e^{B}=\frac{25}{12}

B = \ln \frac{25}{12}

B \approx 0.734

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A = 0.0704

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

4 0
3 years ago
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