Mathematics: To the nearest millimeter, a cell phone is 99 mm long and 78 mm wide. What is the ratio of the width to the length?

Parameterize the line segment bywith . Now,...

To the nearest millimeter, a cell phone is 99 - id996569273, mercedesamatap21hx0

Ответ:

Jharsh525

27.01.2022

Mathematics

It asked for width to length, so it is really important to put the width on top and the length on bottom.

46mm

84mm

Reduce the fraction, if you can use a calculator you do not need to show this part.

46/2

84/2

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Ответ:

ivanf30

11.08.2021

Mathematics

Parameterize the line segment $\mathcal C$ by

$\mathbf r(t)=(x(t),y(t),z(t))$
$\mathbf r(t)=(1-t)(0,0,0)+t(1,1,1)=(t,t,t)$

with $0\le t\le1$ . Now,

$\displaystyle\int_{\mathcal C}(2z+4y)\,\mathrm dx+(4x-3z)\,\mathrm dy+(2x-3y)\,\mathrm dz$
$\displaystyle=\int_{\mathcal C}(2z+4y,4x-3z,2x-3y)\cdot(\mathrm dx,\mathrm dy,\mathrm dz)$
$=\displaystyle\int_{t=0}^{t=1}(6t,t,-t)\cdot(1,1,1)\,\mathrm dt$
$=\displaystyle\int_0^16t\,\mathrm dt=3$

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To the nearest millimeter, a cell phone is 99 mm long and 78 mm wide. What is the ratio of the width to the length?

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