I need help! Please..It's easy for u but hard for meh.

Mathematics

2 answers:

Katarina [22]3 years ago

4 0

For the first box it is 64 and for the second box it is 96

hichkok12 [17]3 years ago

4 0

All you need to do is find the unit rate by dividing 32 ➗ 3, and you get a unit rate of 10 2/3. Next, multiply 10 2/6 by 6 and 9 and you can find your answer.

I did not tell you the answer but I hope this helps you figure it out

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????⃗ (x,y)=(3x−4y)????⃗ +2x????⃗ F→(x,y)=(3x−4y)i→+2xj→ and ????C is the counter-clockwise oriented sector of a circle centered

Karolina [17]

By Green's theorem, the integral of $\vec F$ along $C$ is

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\iint_D\left(\frac{\partial(2x)}{\partial x}-\frac{\partial(3x-4y)}{\partial y}\right)\,\mathrm dx\,\mathrm dy=6\iint_D\mathrm dx\,\mathrm dy$

which is 6 times the area of $D$ , the region with $C$ as its boundary.

We can compute the integral by converting to polar coordinates, or simply recalling the formula for a circular sector from geometry: Given a sector with central angle $\theta$ and radius $r$ , the area $A$ of the sector is proportional to the circle's overall area according to