3 years ago

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Mathematics

1 answer:

vagabundo [1.1K]3 years ago

6 0

Answer:

I left my scooter outside the dairy nek minnit.

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A species of bacteria is 10 micrometers long. A virus is 10,000 times smaller than bacteria. a. Using the table above, find the

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$10^{-4}$ times 10 micrometers (or $10^{-5}$ ) is $10^{-9}$

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3 years ago

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Two cards are drawn from a deck of 52 playing cards. The first card is replaced into the deck before the 2nd card is drawn. What

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Answer:

1/676

Step-by-step explanation:

There are 52 cards

P(Ace of spades) = Number of aces of spades / total = 1/ 52

The replace the card

There are 52 cards

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P( ace of spades , replace, any king) = 1/52 * 1/13 = 1 /676

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3 years ago

Problem1 The behavior of a physical system can be described by the following first order differential equation: dy/dt=2y +t^2

daser333 [38]

Answer:

$y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}$ .

Step-by-step explanation:

Using first order linear differential equation:

$\dfrac{\mathrm{d} y}{\mathrm{d} t} = 2y + t^2$

$\frac{\mathrm{d} y}{\mathrm{d} t} - 2y =t^2$

finding integrating factor:

I.F = $e^{\int -2dt}$

I.F = $e^{-2t}$

now,

$y = \dfrac{1}{IF}(\int t^2dt+ c )$

$y = \dfrac{1}{e^{-2t}}(\int t^2dt+ c )$

$y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}$

hence the solution is

$y = \dfrac{t^3e^{2t}}{3}+Ce^{2t}$

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Find the oth term of the geometric sequence 3, 15,75, ...

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375

Step-by-step explanation:

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3 years ago

6a^2-[-5a-(9a^2-3a)]-[8+(-19a-8)]

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The answer is 15a^2+21a

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