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scZoUnD [109]
4 years ago
9

Classify the following differential equation: dy dx = y(y − 2)e x

Mathematics
1 answer:
Alecsey [184]4 years ago
8 0

Answer:

1,non linear and separable

Step-by-step explanation:

given is a differential equation as

\frac{dy}{dx} =y(y-2)e^x

Here we have derivative highest is first derivative

I) Order = 1 (since first derivative is used)

2) It is not linear since the variable y has power 2.

3) To check whether separable or not

\frac{dy}{dx} =y(y-2)e^x

we can take all y variables to left side and x to right side

Hence separable

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Which of the following functions represent exponential decay?
Alexandra [31]
Y=(3/4)^x represents exponential decay since 3/4 is less than one, so y will become increasing smaller as the exponent increases
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3 years ago
Calculate the gradient of the line using rise/run method.
Lapatulllka [165]

Given:

The graph of line.

To find:

The gradient of the line using rise/run method.

Solution:

We know that the gradient of a line is also known as slope.

Slope=\dfrac{Rise}{Run}

Consider the two intercepts, then rise is distance between origin and y-intercept and run is the distance between origin and the x-intercept. But rise must be negative because the value of y decreased from 3 to 0.

Rise=-3

Run=2

Now,

Slope=\dfrac{Rise}{Run}

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3 years ago
Which polynomial is a monomial?
sveta [45]

Answer:

monomials have 1 term

Step-by-step explanation:

.

7 0
4 years ago
Read 2 more answers
Megan picks a card from a deck of cards numbered 1-10 and rolls a number cube. What is the probability she chooses a card with a
ehidna [41]

Answer:

1/20 if there is only those 10 cards in a deck and 1/26 if there is 52 cards in the deck.

Step-by-step explanation:

There is 3/6 chances to roll a die with an even number, aka 1/2. If there are only 10 cards in the deck and only one of them has the number 5, it's 1/10. To find the probability of both these things happening, multiply the probabilities. 1/10 x 1/2 is equal to 1/20. However, since the question doesn't specify if there is 52 cards like a normal deck and 4 5's etc, there can be a different answer because if there's 52 cards in a deck, 4 of them 5's, the chance of getting a 5 is 4/52 or 1/13 and then you multiply that by 1/2 to get 1/26

4 0
3 years ago
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One number is four more than four times another. If their sum is decreased by six, the result is twenty-eight. Find the numbers.
Vsevolod [243]

let "one number" = x, and "another" = y

x = 4y + 4

(x + y) - 4 = 28

Plug in 4y + 4 for x

4y + 4 + y - 4 = 28

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5y = 28

Isolate the y. Divide 5 from both sides

y = 28/5

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Plug in 28/5 for y.

x = 4y + 4

x = 4(28/5) + 4

Simplify

x = 22.4 + 4

x = 26.4

x = 26.4, y = 5.6

hope this helps

6 0
3 years ago
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