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3 years ago

If 20 feet belong to the pigs and 6 feet belong to the chickens, the ratio of the number of pigs to the number of chickens is

Mathematics

2 answers:

Fiesta28 [93]3 years ago

8 0

Answer:

6:20

Step-by-step explanation:

There are 20 feet for the pig so that goes first and then the 6 feet of the chicken goes after since they are asking the number of feet for the pigs first and the feet of the chickens after.

Alex_Xolod [135]3 years ago

3 0

Answer:

5:3

Step-by-step explanation:

pigs have 4 feet, so 20/4 =5

chickens have 2 feet, so 6/2=3

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Determine whether the given differential equation is exact. If it is exact, solve it. (If it is not exact, enter NOT.) (tan(x) −

never [62]

Answer:

$f(x,y)=ln secx+cosx siny+C$

Step-by-step explanation:

We are given that DE

$(tanx-sinx siny)dx+cosxcosydy=0$

We have to determine given DE is exact or not.

Compare it with Mdx+Ndy=0

$M=tanx-sinx siny$

$N=cosxcosy$

$\frac{\partial M}{\partial y}=$ $M_y=-sinxcosy$

$\frac{\partial N}{\partial x}=N_x=-sinxcosy$

Therefore, $M_y=N_x$

If DE is exact then $M_y=N_x$

Hence,it is exact.

$M=\frac{\partial f}{\partial x}=tanx-sinxsiny$

Integrate w.r.t x on both sides

$f(x,y)=\int(tanx-sinxsiny)dx$

$f(x,y)=lnsecx+cosxsiny+\phi(y)$ ...(1)

By using the formula

$\int tanxdx=lnsecx+C,\int sinxdx=-cosx+C$

Differentiate partially equation (1) w.r.t y

$\frac{\partial f}{\partial y}=cosxcosy+\phi'(y)$

By using the formula:

$\frac{d(sinx)}{dx}=cosx$

$N=\frac{\partial f}{\partial y}=cosxcosy=cosxcosy+\phi'(y)$

$\phi'(y)=cosxcosy-cosxcosy=0$

$\phi'(y)=0$

Integrate w.r.t y

$\phi(y)=C$

Substitute the value

$f(x,y)=ln secx+cosx siny+C$

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3 years ago

Jordana wants to make 9 pies for a family reunion. If one bag holds 4 cups, how many bags of sugar will she need to buy?

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4 years ago

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Ket [755]

Answer:

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Step-by-step explanation:

The slowest rate is:

0.5⁻ˣ

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2 years ago

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Rus_ich [418]

Step-by-step explanation:

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4 years ago

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