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2 years ago

NEED ANSWER ASAP PLEASE

Mathematics

1 answer:

sertanlavr [38]2 years ago

4 0

D. $6
2. 300
adding more cuz character limit

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Write a two-column proof.

-Dominant- [34]

Proof:-

In ∆XYZ and ∆VWZ

$\because\sf\begin{cases}\sf XZ\cong VZ(Given)\\ \sf YZ\cong WZ(Given)\\ \sf$

Hence

∆XYZ $\cong$ (Side-Angle-Side)

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2 years ago

HELP WITH PROBABILITY! WILL MARK BRAINLIEST!!

IRISSAK [1]

Answer:

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2 years ago

Combined the like terms to form an equivalent expression <br> 2(x+3y)-3y+4x-11

shutvik [7]

Answer:

Step-by-step explanation:

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2 years ago

Y=7 and x= 6, perpendicular , parallel or neither?

timurjin [86]

Answer:

I think the answer is neither. Hope this helps.

Step-by-step explanation:

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3 years ago

Let f = (ax + by + 4z) i + (x + cz) j + (9y + mx) k where a, b,c, and m are constants.

Tom [10]

Let $\mathcal R$ be an arbitrary closed region with boundary the surface $\mathcal S$ . By the divergence theorem,

$\displaysytle\iint_{\mathcal S}\mathbf f(x,y,z)\cdot\mathrm d\mathbf S=\iiint_{\mathcal R}\nabla\cdot\mathbf f(x,y,z)\,\mathrm dV$

We have

$\nabla\cdot\mathbf f(x,y,z)=\dfrac{\partial(ax+by+4z)}{\partial x}+\dfrac{\partial(x+cz)}{\partial y}+\dfrac{\partial(9y+mx)}{\partial z}=a$

so that the flux satisfies

$\displaystyle a\iiint_{\mathcal R}\mathrm dV=0$

We're assuming $\mathcal R$ is a closed region, and the integral above is its volume, which must be positive. This means we must have $a=0$ .

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2 years ago