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3 years ago

9 11/12- 2 8/11 is a problem that i need help on

1 answer:

3 0

Hey there!!

Okay here are the steps you can follow!

9 11/12 ----> improper fraction ----> 119/12
2 8/11 ----> improper fraction ----> 30/11

119/12 - 30/11
(119/12 - 30/11) * 132
11(119) - 12(30)
1309 - 360
<u>949</u>

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Use the Chain Rule to find the indicated partial derivatives. z = x^4 + xy^3, x = uv^4 + w^3, y = u + ve^w Find : ∂z/∂u , ∂z/∂v

k0ka [10]

I'll use subscript notation for brevity, i.e. $\frac{\partial f}{\partial x}=f_x$ .

By the chain rule,

$z_u=z_xx_u+z_yy_u$

$z_v=z_xx_v+z_yy_v$

$z_w=z_xx_w+z_yy_w$

We have

$z=x^4+xy^3\implies\begin{cases}z_x=4x^3+y^3\\z_y=3xy^2\end{cases}$

and

$\begin{cases}x=uv^4+w^3\\y=u+ve^w\end{cases}\implies\begin{cases}x_u=v^4\\x_v=4uv^3\\x_w=3w^2\\y_u=1\\y_v=e^w\\y_w=ve^w\end{cases}$

When $u=1,v=1,w=0$ , we have

$\begin{cases}x(1,1,0)=1\\y(1,1,0)=2\end{cases}\implies\begin{cases}z_x(1,2)=12\\z_y(1,2)=12\end{cases}$

and the partial derivatives take on values of

$\begin{cases}x_u(1,1,0)=1\\x_v(1,1,0)=4\\x_w(1,1,0)=0\\y_u(1,1,0)=1\\y_v(1,1,0)=1\\y_w(1,1,0)=1\end{cases}$

So we end up with

$\boxed{\begin{cases}z_u(1,1,0)=24\\z_v(1,1,0)=60\\z_w(1,1,0)=12\end{cases}}$

3 0

3 years ago

Nine negative third power in standard form

Andre45 [30]

Answer:

9^-3= .0013717421

Step-by-step explanation:

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3 years ago

If shown a graph and asked for domain range and function how do you proceed?

nata0808 [166]

Considering their concepts, on the graph of a function, the domain and the range are given as follows:

Domain: Horizontal axis, values of x.

Range: Vertical axis, values of y.

<h3>What are the domain and the range of a function?</h3>

The domain of a function is the set that contains all the values of the input.

The range of a function is the set that contains all the values of the output.

In a graph, the horizontal axis represents the input and the vertical axis represents the output, hence the domain and the range are given as follows:

Domain: Horizontal axis, values of x.

Range: Vertical axis, values of y.

More can be learned about the domain and the range of a function at brainly.com/question/10197594

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2 years ago

0. The weight of an object on the Moon is about 16.5% of its weight on Earth. The weight of an astronaut on the Moon is 24.75 po

Setler79 [48]

Answer: 150 pounds

Step-by-step explanation:

Let the the astronaut weight on Earth be represented by x.

Based on the information given in the question, thus can be formed into an equation as:

16.5% of x = 24.75

16.5% × x = 24.75

16.5/100 × x = 24.75

0.165x = 24.75

x = 24.75/0.165

x = 150 pounds

The astronaut weigh 150 pounds on Earth.

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3 years ago

How to write x^2 + y^2 - 2x + 2y = 7 in standard form

kodGreya [7K]

Answer:

7 is its standared form

Step-by-step explanation:

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3 years ago