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nalin [4]
4 years ago
14

What dose 8x-2y+x+x equal

Mathematics
1 answer:
ira [324]4 years ago
5 0
10x -2y is your Answer
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Find the area of the surface. the part of the hyperbolic paraboloid z = y2 − x2 that lies between the cylinders x2 + y2 = 16 and
meriva
Parameterize the surface (call it \mathcal S) by

\mathbf s(u,v)=\langle u\cos v,u\sin v,u^2\sin^2v-u^2\cos^2v\rangle=\langle u\cos v,u\sin v,-u^2\cos2v\rangle

with 4\le u\le5 and 0\le v\le2\pi, which yields

\mathrm dS=\|\mathbf s_u\times\mathbf s_v\|\,\mathrm du\,\mathrm dv=u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv

Then the area of \mathcal S is given by the surface integral

\displaystyle\iint_{\mathcal S}\mathrm dS=\int_{v=0}^{v=2\pi}\int_{u=4}^{u=5}u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv=\dfrac{(101^{3/2}-65^{3/2})\pi}6
8 0
3 years ago
Which equation has a value less than 2,175?
erik [133]
The correct answer is d- one half x 2,175

Explanation: one half is 0.5 and 0.5 x 2,175 = 1087.5
6 0
3 years ago
Simplify. (-4 4/5) divide (-6 2/3)
irga5000 [103]

Answer:18/25

Step-by-step explanation:

6 0
4 years ago
Simplify: 121/11 + 3(4)/2<br> Please and thank you. :)
slamgirl [31]

Answer:

17

Step-by-step explanation:

I don't know the explanation, but hoped this helped.

8 0
3 years ago
You are walking 3.5 miles per hour. At this pace, how long will it take to walk the 6 miles to school?
Shkiper50 [21]

Answer:

Step-by-step explanation:

speed = s = 3.5 miles / hour

d = 6 miles

t = ?

============

t = d / s

t = 6 / 3.5

t = 1.714 hours

t = 1 5/7 hours

You could figure this out in minutes for 5/7 but it will not make the time any clearer. You will still wind up with a fraction.

8 0
3 years ago
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