3 years ago

3. Leanne has a container divided into

Mathematics

1 answer:

Maurinko [17]3 years ago

3 0

Answer:

22 containers but I didn't use a calculator!

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Solve the differential equation dy/dx+4xy=x

Irina-Kira [14]

$\dfrac{\mathrm dy}{\mathrm dx}+4xy=x$
$\dfrac{\mathrm dy}{\mathrm dx}=x(1-4y)$

This ODE is separable, so you can write

$\dfrac{\mathrm dy}{1-4y}=x\,\mathrm dx$

Integrating both sides gives

$-\dfrac14\ln|1-4y|=\dfrac12x^2+C$
$\ln|1-4y|=-2x^2+C$
$1-4y=e^{-2x^2+C}$
$1-4y=Ce^{-2x^2}$
$y=\dfrac{1-Ce^{-2x^2}}4$

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3 years ago

Logan drove from New Orleans to Nashville to visit friends. Logan drove the speed

Nata [24]

Answer:

540 miles

Step-by-step explanation:

60 miles per 1 hour

120 per 2 hours... etc.

multiply 60 and 9 to get 540

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3 years ago

Can someone please help

Rudiy27

It is B or 2. Hope this helps

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3 years ago

What type of counting problem is this? How many different sequences of 3 playing cards (from a single 52-card deck) exist?

n200080 [17]

Answer:

Permutation without repetition

Step-by-step explanation:

The order of the cards matter, which makes it a permutation, but since none of the cards are exactly the same, repetition isn't allowed/possible

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3 years ago

A number is between 50 and 55. It has prime factors of 2, and 9. What is the number?

mihalych1998 [28]

Answer:

The answer is 54.

Step-by-step explanation:

54 divided by 2 will give you 27.

54 divided by 9 will give you 6.

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3 years ago