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likoan [24]
2 years ago
11

Hello, please answer the question, please show work

Mathematics
1 answer:
worty [1.4K]2 years ago
7 0
3/8 is bigger than 1/5
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Convert 46,500 scientific notation
Shkiper50 [21]
46500....ok...pay attention....put a decimal behind the first number  4.6500  ....now start counting all the numbers to the right of the decimal...there are 4 numbers.....so ur answer is 4.65 x 10^4
8 0
3 years ago
MATH HELP!!!! ASAP!!! PLSSSSS
nikklg [1K]
Y=140-5x
x will be the minutes so whatever minute you put, you multiply it by 5 the you subtract 140 with whatever you have and there’s your answer
3 0
2 years ago
Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = 2yi + xzj + (x
Lady_Fox [76]

By Stokes' theorem, the line integral of \vec F over C is given by the surface integral of the curl of \vec F over S, where S is the region of intersection of the plane z=y+6 and the cylinder x^2+y^2=1 with S having positive/upward orientation.

Parameterize S by

\vec s(u,v)=u\cos v\,\vec\imath+u\sin v\,\vec\jmath+(u\sin v+6)\,\vec k

with 0\le u\le1 and 0\le v\le2\pi.

Take the normal vector to S to be

\vec s_u\times\vec s_v=-u\,\vec\jmath+u\,\vec k

The curl of \vec F is

\nabla\times\vec F(x,y,z)=(1-x)\,\vec\imath-\vec\jmath+(z-2)\,\vec k

Then the line integral is equivalent to

\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\iint_S(\nabla\times\vec F)\cdot\mathrm d\vec S

=\displaystyle\int_0^{2\pi}\int_0^1\bigg((1-u\cos v)\,\vec\imath-\vec\jmath+(u\sin v+4)\,\vec k\bigg)\cdot\bigg(-u\,\vec\jmath+u\,\vec k\bigg)\,\mathrm du\,\mathrm dv

=\displaystyle\int_0^{2\pi}\int_0^1(5u+u^2\sin v)\,\mathrm du\,\mathrm dv=\boxed{5\pi}

4 0
3 years ago
Cups by the water cooler are in the shape of a cone. The height is 15 cm and the diameter is 7.6 cm.
dangina [55]

Answer:

226.7 cm³

Step-by-step explanation:

The cone volume formula is V = (1/3)(base area)(height).

Here that comes out to V = (1/3)(pi)(3.8 cm)^2·15 cm, or 226.7 cm³

3 0
2 years ago
If 4x-3<32, Which of the following are solutions: 26/3, 9.1, 20, or -6?
ValentinkaMS [17]
The answer is :
4x - 3 < 32 \\ 4 x < 32 + 3 \\ 4 x < 35 \\ x <  \frac{35}{4}  \\
x < 8.75
and the only number among the choices that is less than 8.75 is -6
hope it's true
6 0
3 years ago
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