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Deffense [45]
3 years ago
9

You are on a boat on the seine river in France the boat speed is 32 kilometers per hour the seine has a length of 764 kilometers

but only 547 kilometers can be navigated by boats how long will your boat ride take if you travel the entire navigable portion of the seine?
Mathematics
1 answer:
kiruha [24]3 years ago
6 0

we are given

the boat speed is 32 kilometers per hour

so, speed is

v=32km/hr

the seine has a length of 764 kilometers but only 547 kilometers

so, the distance is

d=547km

now, we can find time

t=\frac{d}{v}

now, we can plug values

and we get

t=\frac{547}{32} hr.................Answer

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<h3>Answer:</h3>
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Hope it helps.

Do comment if you have any query.

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Consider the figure. What is the area of the figure, in square centimeters? ​
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Answer: The

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The figure represents a traffic island that has angles measuring 60°, 20°, and 100°. Enter each angle next to its correct measur
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Step-by-step explanation:

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1 kilometre is how much miles​
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Solve the following differential equation: (1− 5 y +x) dy/dx +y= 5/x −1 .<br><br> C=
Ganezh [65]

Answer:

y(1+x)+x-5\ln xy=C

Step-by-step explanation:

Consider the given differential equation is

(1-\frac{5}{y}+x)\frac{dy}{dx}+y=\frac{5}{x}-1

(1-\frac{5}{y}+x)\frac{dy}{dx}=\frac{5}{x}-1-y

(1-\frac{5}{y}+x)dy=(\frac{5}{x}-1-y)dx

Taking all variables on right sides.

(1-\frac{5}{y}+x)dy-(\frac{5}{x}-1-y)dx=0

(-\frac{5}{x}+1+y)dx+(1-\frac{5}{y}+x)dy=0

Let as assume,

M=-\frac{5}{x}+1+y and N=1-\frac{5}{y}+x

Find partial derivatives \frac{\partial M}{\partial y} and \frac{\partial N}{\partial x}

\frac{\partial M}{\partial y}=1 and \frac{\partial N}{\partial x}=1

Since \frac{\partial M}{\partial y}=\frac{\partial N}{\partial x}, therefore the given differential equation is exact.

The solution of the exact differential equation is

\int Mdx+\int N(\text{without x)}dy=C

\int (-\frac{5}{x}+1+y)dx+\int (1-\frac{5}{y})dy=C

yx-5\ln x+x+y-5\ln y=C

y+x+xy-5\ln x-5\ln y=C

y(1+x)+x-5(\ln x+\ln y)=C

y(1+x)+x-5\ln xy=C

7 0
3 years ago
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