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2 years ago

What is the difference between a terminating and a repeating decimal?

1 answer:

6 0

A terminating decimal is a decimal that ends and has a finite number of digits.

A repeating decimals is a decimal that repeats its digits infinitely.

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What is the product of (x - 9) and (2x - 7)

Crazy boy [7]

2x^2-7x-18x+63

2x^2-25x+63

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3 years ago

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Because Helen was prepared to pay cash for a yellow car with a marked price of $9200 she was given a discount of $1012 what perc

Liula [17]

Answer:

11%

Step-by-step explanation:

The percentage of the discount is 1012/9200 x 100 = 11%

3 0

2 years ago

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

2 years ago

PLEASE HELP ME WITH THIS!!

Anni [7]

Answer:

440 cm ²

Step-by-step explanation:

216 cm² +24 cm²= 440 cm²

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2 years ago

Look at the figure. Classify the pair of angles: <1 and <5

zavuch27 [327]

Answer:

where is the figure. We cant answer if we dont have the figure

7 0

2 years ago

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