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3 years ago

3.25 is what percent of 125?

Mathematics

2 answers:

melomori [17]3 years ago

7 0

Answer:

4.0625

Step-by-step explanation:

fredd [130]3 years ago

3 0

Answer:

2.6

Step-by-step explanation:

p = x * 100 / y

and x = 3.25

and y = 125

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Find the following: F(x, y, z) = e^(xy) sin z j + y tan^−1(x/z)k Exercise Find the curl and the divergence of the vector field.

natulia [17]

$\vec F(x,y,z)=e^{xy}\sin z\,\vec\jmath+y\tan^{-1}\dfrac xz\,\vec k$

Divergence is easier to compute:

$\mathrm{div}\vec F=\dfrac{\partial(e^{xy}\sin z)}{\partial y}+\dfrac{\partial\left(y\tan^{-1}\frac xz\right)}{\partial z}$

$\mathrm{div}\vec F=xe^{xy}\sin z-\dfrac{xy}{x^2+z^2}$

Curl is a bit more tedious. Denote by $D_t$ the differential operator, namely the derivative with respect to the variable $t$ . Then

$\mathrm{curl}\vec F=\begin{vmatrix}\vec\imath&\vec\jmath&\vec k\\D_x&D_y&D_z\\0&e^{xy}\sin z&y\tan^{-1}\frac xz\end{vmatrix}$

$\mathrm{curl}\vec F=\left(D_y\left[y\tan^{-1}\dfrac xz\right]-D_z\left[e^{xy}\sin z\right]\right)\,\vec\imath-D_x\left[y\tan^{-1}\dfrac xz\right]\,\vec\jmath+D_x\left[e^{xy}\sin z}\right]\,\vec k$

$\mathrm{curl}\vec F=\left(\tan^{-1}\dfrac xz-e^{xy}\cos z\right)\,\vec\imath-\dfrac{yz}{x^2+z^2}\,\vec\jmath+ye^{xy}\sin z\,\vec k$

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3 years ago

Answer #1,3,4,5,6,and 7

Fofino [41]

Can you type the answers in plz. I can't see the pic

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3 years ago

What is the area of a rectangle that has a length of 1/4 inch and a width of 1/8 inch?

Lubov Fominskaja [6]

Answer:

1/4 * 1/8 = 1/32 inch

Step-by-step explanation:

1/4 * 1/8 = 1/32inch

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3 years ago

Please help A. 13 B. 26 C. 40 D. 36 D. 41

Morgarella [4.7K]

The value of x is 26.

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3 years ago

Read 2 more answers

St=18 and s = -4 where could T be located ?

Veseljchak [2.6K]

Answer:

14 or -22

Step-by-step explanation:

st=18

s=-4

-4+18=14

so t can be at 14

or -4-18=-22

t can be at -22

3 0

3 years ago