3 years ago

What is 12.165 in word from

Mathematics

1 answer:

Kamila [148]3 years ago

4 0

Twelve and one hundred sixty-five thousandths

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X^4dy/dx+x^3y=-sec(xy)

Alborosie

$x^4\dfrac{\mathrm dy}{\mathrm dx}+x^3y=-\sec(xy)$

Divide both sides by $x^3$ :

$x\dfrac{\mathrm dy}{\mathrm dx}+y=\dfrac{\mathrm d}{\mathrm dx}[xy]=-\dfrac{\sec(xy)}{x^3}$

Integrate both sides to get

$xy=y_0=\displaystyle\int_{x_0}^x\frac{\sec(ty)}{t^3}\,\mathrm dt$

where $x_0$ and $y_0=y(x_0)$ are constants, and divide by $x$ to solve for $y(x)$ :

$\boxed{y(x)=\dfrac{y_0}x+\displaystyle\frac1x\int_{x_0}^x\frac{\sec(ty)}{t^3}\,\mathrm dt}$

An exact solution (not in terms of a definite integral, anyway) doesn't seem likely...

8 0

3 years ago

I need help plz answer!!!

Ainat [17]

Answer:

No.

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Ignore my answers but help

yulyashka [42]

Answer:

n(A) = 5 + 7 =12

n(B) = 7 + 3 = 10

n(A n B) = 7

n(A u B) = n(A) + n(B) - n(A n B)

5 + 3 - 7 = 1

n(A')=3

n(B')=5

8 0

3 years ago

What is the equation of the line that passes through the point (7, - 3) and has undefined slope ?

ahrayia [7]

The answer to your question isY=-3

4 0

3 years ago

What are these in scientific notations?

Lady_Fox [76]

Answer:

1. 2.1426 × $10^{0}$

2. 6.29 × $10^{0}$

3. 9 × $10^{-1}$

4. 5.238 × $10^{3}$

5. 3.5668 × $10^{-1}$

Hope it helps and have a great day! =D

~sunshine~

4 0

3 years ago