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2 years ago

Step by step equation please.. -24+w+8=4

1 answer:

7 0

First combine like terms. Add -24 and 8.

You end up with -16+w=4

Now, move 16 by doing the opposite to both sides.

w=20

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Which number completes the square? x2 − 20x + _____?

OverLord2011 [107]

100, because, x^2 - 20x + 100 = ( x - 10 )^2;

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2 years ago

A boat is marked up 20% on the original price. The original price was

pishuonlain [190]

Answer:

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Step-by-step explanation:

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2 years ago

user100 [1]

Answer:

1,000

Step-by-step explanation:

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2 years ago

What is the equation 5(-6m+7)

steposvetlana [31]

The correct answer to your question is −

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6 0

2 years ago

Read 2 more answers

Suppose z equals f (x comma y ), where x (u comma v )space equals space 2 u plus space v squared, y (u comma v )space equals spa

barxatty [35]

$z=f(x(u,v),y(u,v)),\begin{cases}x(u,v)=2u+v^2\\y(u,v)=3u-v\end{cases}$

We're given that $f_x(6,1)=3$ and $f_y(6,1)=-1$ , and want to find $\frac{\partial z}{\partial v}(1,2)$ .

By the chain rule, we have

$\dfrac{\partial z}{\partial v}=\dfrac{\partial z}{\partial x}\dfrac{\partial x}{\partial v}+\dfrac{\partial z}{\partial y}\dfrac{\partial y}{\partial v}$

and

$\dfrac{\partial x}{\partial v}=2v$

$\dfrac{\partial y}{\partial v}=-1$

Then

$\dfrac{\partial z}{\partial v}(1,2)=\dfrac{\partial z}{\partial x}(6,1)\dfrac{\partial x}{\partial v}(1,2)+\dfrac{\partial z}{\partial y}(6,1)\dfrac{\partial y}{\partial v}(1,2)$

(because the point $(x,y)=(6,1)$ corresponds to $(u,v)=(1,2)$ )

$\implies\dfrac{\partial z}{\partial v}(1,2)=3\cdot2\cdot2+(-1)\cdot(-1)=\boxed{13}$

4 0

3 years ago