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tamaranim1 [39]
3 years ago
13

Acil yaparmısınız çok acilllll

Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

i don't understand dawg .

Step-by-step explanation:

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Calculus 3 chapter 16​
o-na [289]

Evaluate \vec F at \vec r :

\vec F(x,y,z) = x\,\vec\imath + y\,\vec\jmath + xy\,\vec k \\\\ \implies \vec F(\vec r(t)) = \vec F(\cos(t), \sin(t), t) = \cos(t)\,\vec\imath + \sin(t)\,\vec\jmath + \sin(t)\cos(t)\,\vec k

Compute the line element d\vec r :

d\vec r = \dfrac{d\vec r}{dt} dt = \left(-\sin(t)\,\vec\imath+\cos(t)\,\vec\jmath+\vec k\bigg) \, dt

Simplifying the integrand, we have

\vec F\cdot d\vec r = \bigg(-\cos(t)\sin(t) + \sin(t)\cos(t) + \sin(t)\cos(t)\bigg) \, dt \\ ~~~~~~~~= \sin(t)\cos(t) \, dt \\\\ ~~~~~~~~= \dfrac12 \sin(2t) \, dt

Then the line integral evaluates to

\displaystyle \int_C \vec F\cdot d\vec r = \int_0^\pi \frac12\sin(2t)\,dt \\\\ ~~~~~~~~ = -\frac14\cos(2t) \bigg|_{t=0}^{t=\pi} \\\\ ~~~~~~~~ = -\frac14(\cos(2\pi)-\cos(0)) = \boxed{0}

3 0
1 year ago
emilio build and sells homemade wooden toy for $12 each the festival he is attending charges $50 to set up his Booth how much mo
Salsk061 [2.6K]

Emilio will earn $334.

12*32=384 --> amount of money he earns from selling

384-50 --> subtract the amount the festival charges

=334 --> final profit


<u>Please mark this answer as the Brainliest if it helped! Thank you.</u>

3 0
3 years ago
Read 2 more answers
One-half cup of black beans provides 12% of the potassium you need daily. You must get the remaining 3,740 milligrams from other
Aleks04 [339]
34 grams
hope this helped!
6 0
3 years ago
7/9 - 3/9 = ???????????????????????????????
Alexus [3.1K]

Answer:

your answer is : 4/9

~hope you have a great day/night :-) ~

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A plant manager needs 75 sq. yds. of fabric and the fabric is only 32 in. wide. How many linear feet must she make to produce 75
il63 [147K]
I think 225 cuz its only asking for the feet needed no the width so thats irrelevant <span />
4 0
3 years ago
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