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Marina CMI [18]

4 years ago

11

-22t>66 a. t >3 b. t <3 c. t <-3 d. t>-3

1 answer:

Morgarella [4.7K]4 years ago

7 0

C, because -22t>66 | : (-22)
t< -3

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Solve the initial-value problem<br><br> y' = x^4 - \frac{1}{x}y, y(1) = 1.

natta225 [31]

The ODE is linear:

$y'=x^4-\dfrac yx$

$y'+\dfrac yx=x^4$

Multiplying both sides by $x$ gives

$xy'+y=x^5$

Notice that the left side can be condensed as the derivative of a product:

$(xy)'=x^5$

Integrating both sides with respect to $x$ yields

$xy=\dfrac{x^6}6+C$

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Since $y(1)=1$ ,

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so that

$\boxed{y(x)=\dfrac{x^5}6+\dfrac5{6x}}$

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3 years ago

Which equation has no solution? 4(x+1)=2x+4 or 9-5x+2=4-5x explain your answer.

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3 years ago

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2. For the graph, find AB to the nearest tenth<br> y<br> 8<br> А<br> 6<br> B

zheka24 [161]

Answer:

10.8

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AB can be calculated using the formula $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

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Let,

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Plug the values into the formula.

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3 years ago

Please help!!! I’ll mark you as brainliest!!!

Sedaia [141]

Ok I’ll break this down so it’s easier to understand:

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An easy way to find 20% is to divide it by 5.

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80-16= 64

Next we need to do the coupon

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Answer:
57

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3 years ago

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A rectangular prism is 20 yards long and 9.4 yards wide. Its volume is 3,384.0 cubic yards. What is the height of the rectangula

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