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2 years ago

8

XxY=100 What is X and Y

1 answer:

Dvinal [7]2 years ago

7 0

Answer:

X could be 50 and Y could be 2 or vice versa. X and Y can also be 10.

Step-by-step explanation:

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When your high school math teacher says “math” what’s first reaction ?

ad-work [718]

I actually like math so I have no problem with it

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3 years ago

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Calculate the flux of the vector field F⃗ (x,y,z)=(exy+9z+4)i⃗ +(exy+4z+9)j⃗ +(9z+exy)k⃗ through the square of side length 3 wit

ikadub [295]

The square (call it $S$ ) has one vertex at the origin (0, 0, 0) and one edge on the y-axis, which tells us another vertex is (0, 3, 0). The normal vector to the plane is $\vec n=\vec\imath-\vec k$ , which is enough information to figure out the equation of the plane containing $S$ :

$(x\,\vec\imath+y\,\vec\jmath+z\,\vec k)\cdot(\vec\imath-\vec k)=0\implies x-z=0\implies z=x$

We can parameterize this surface by

$\vec s(x,y)=x\,\vec\imath+y\,\vec\jmath+x\,\vec k$

for $0\le x\le\frac3{\sqrt2}$ and $0\le y\le3$ . Then the flux of $\vec F$ , assumed to be

$\vec F(x,y,z)=(e^{xy}+9z+4)\,\vec\imath+(e^{xy}+4z+9)\,\vec\jmath+(9ze^{xy})\,\vec k$ ,

is

$\displaystyle\iint_S\vec F(x,y,z)\cdot\mathrm d\vec S=\iint_S\vec F(\vec s(x,y))\cdot\vec n\,\mathrm dx\,\mathrm dy$

$=\displaystyle\int_0^3\int_0^{3/\sqrt2}\left((4+e^{xy}+9x)\,\vec\imath+(9+e^{xy}+4x)\,\vec\jmath+(e^{xy}+9x)\,\vec k\right)\cdot(\vec\imath-\vec k)\,\mathrm dx\,\mathrm dy$

$=\displaystyle\int_0^3\int_0^{3/\sqrt2}4\,\mathrm dx\,\mathrm dy=\boxed{18\sqrt2}$

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3 years ago

QUICK FAST HURRY ANSWER PLEASE 2 3/4 * 1 1/4 WILL BRAINLY IF ANSWERED CORRECTLY

Ierofanga [76]

1. 2 3/4 = 11/4(2 * 4 + 3)
2. 1 1/4 = 5/4(1 * 4 + 1)

11/4 * 5/4 = 55/16 OR 3 7/16 if simplified.

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2 years ago

At a wildlife preserve,

kakasveta [241]

Answer:

you have to add the numbers . when ever there is a total that means to add

Step-by-step explanation:

13+14=27

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3 years ago

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Ratios equivalent to 10:9.

Aleks04 [339]

Answer:20:18

Step-by-step explanation:

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2 years ago

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