3 years ago

How many times does a thousand go into 1,000,000,000

2 answers:

8 0

The answer would be 1,000,000

7 0

The answer would be 1,000,000 times

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erica [24]

Answer:

12 days

Step-by-step explanation:

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julsineya [31]

What composite shape? Where is the shape?

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Wewaii [24]

is it 3...I'm not sure anyway

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4 years ago

Juliette [100K]

Compute the surface element:

$\mathrm dS=\|\vec r_u\times\vec r_v\|\,\mathrm du\,\mathrm dv$

$\vec r(u,v)=(u\cos v,u\sin v,v)\implies\begin{cases}\vec r_u=(\cos v,\sin v,0)\\\vec r_v=(-u\sin v,u\cos v,1)\end{cases}$

$\|\vec r_u\times\vec r_v\|=\sqrt{\sin^2v+(-\cos v)^2+u^2}=\sqrt{1+u^2}$

So the integral is

$\displaystyle\iint_Sy\,\mathrm dS=\int_0^\pi\int_0^6u\sin v\sqrt{1+u^2}\,\mathrm du\,\mathrm dv$

$=\displaystyle\left(\int_0^\pi\sin v\,\mathrm dv\right)\left(\int_0^6u\sqrt{1+u^2}\,\mathrm du\right)$

$=\dfrac23(37^{3/2}-1)$

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3 years ago

Vaselesa [24]

Answer: 1.25

Step-by-step explanation:

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3 years ago