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Katarina [22]
3 years ago
5

WHOEVER ANSWER IS FIRST AND CORRET WILL GET BRAINLIST

Mathematics
2 answers:
Radda [10]3 years ago
7 0

Answer:

The only ones that match the 0.3 of the original one is Option B, and Option C

Step-by-step explanation:

<u>Original:</u>  3/10 -> 0.3

<u>Option A:</u>  5/18 -> 0.27777777777777777777777777777778

<u>Option B:</u>  6/20 -> 0.3

<u>Option C:</u>  9/30 -> 0.3

<u>Option D:</u>  10/40 -> 0.25

<u>Option E:</u>  16/60 -> 0.26666666666666666666666666666667

Answer:  The only ones that match the 0.3 of the original one is Option B, and Option C

ohaa [14]3 years ago
4 0

Answer:

c 30 jars of honey and 9 honeycombs

b 20 jars of honey and 6 honeycombs

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Solve the equation <img src="https://tex.z-dn.net/?f=%2835%20x%5E%7B4%7D%20y%2B14%20x%5E%7B5%7D%20y-2%20y%5E%7B3%7D-4x%20y%5E%7B
jeka94
\underbrace{35x^4y+14x^5y-2y^3-4xy^3}_M\,\mathrm dx+\underbrace{7x^5-6xy^2}_N\,\mathrm dy=0

M_y=35x^4+14x^5-6y^2-12xy^2
N_x=35x^4-6y^2

\dfrac{N_x-M_y}N=\dfrac{-14x^5+12xy^2}{7x^5-6xy^2}=-2

This suggests an integrating factor depending on x only is possible, and given by

\mu(x)=\exp\left(-\displaystyle\int\frac{N_x-M_y}N\,\mathrm dx\right)=e^{2x}

Distributing across the ODE, we end up with

\underbrace{(35x^4y+14x^5y-2y^3-4xy^3)e^{2x}}_{M^*}\,\mathrm dx+\underbrace{(7x^5-6xy^2)e^{2x}}_{N^*}\,\mathrm dy=0

The equation is now exact, with

{M^*}_y={N^*}_x=(35x^4+14x^5-6y^2-12xy^2)e^{2x}

Now we find the solution:

F_x=M^*
F=\displaystyle\int(35x^4+14x^5-2y^3-4xy^3)e^{2x}\,\mathrm dx
F=(7x^5y-2xy^3)e^{2x}+f(y)

F_y=N^*
(7x^5-6xy^2)e^{2x}+f'(y)=(7x^5-6xy^2)e^{2x}
f'(y)=0
\implies f(y)=C

The general solution is then

F(x,y)=(7x^5y-2xy^3)e^{2x}=C
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

80 can be divided by 2, 4, 5, 8, 10, 16, 20, 40

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Three people who work full-time are to work together on a project, but their total time on the project is to be equivalent to th
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Answer:

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we have

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3 years ago
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