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3 years ago

A package in the shape of a rectangular prism has a length of 412 feet, a width of 234 feet, and a height of 213 feet.

Mathematics

1 answer:

atroni [7]3 years ago

4 0

V≈2.05×107ft³ right rectangular prism

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What is 20/100 as a fraction

Step2247 [10]

This is already a fraction??! All you can do is write as a simpler fraction, by dividing numerator and denominator by 20, then you get 1/5

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4 years ago

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A fluid has density 860 kg/m3 and flows with velocity v = z i + y2 j + x2 k, where x, y, and z are measured in meters and the co

ehidna [41]

You can use the divergence theorem:

$\vec v=z\,\vec\imath+y^2\,\vec\jmath+x^2\,\vec k$

has divergence

$\mathrm{div}\vec v=\dfrac{\partial z}{\partial x}+\dfrac{\partial y^2}{\partial y}+\dfrac{\partial x^2}{\partial z}=2y$

Then the rate of flow out of the cylinder (call it <em>R</em>) is

$\displaystyle\iint_{\partial R}\vec v\cdot\mathrm d\vec S=\iiint_R\mathrm{div}\vec v\,\mathrm dV$

(by divergence theorem)

$=\displaystyle2\int_0^{2\pi}\int_0^5\int_0^1r^2\sin\theta\,\mathrm dz\,\mathrm dr\,\mathrm d\theta$

(after converting to cylindrical coordinates)

whose value is 0.

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3 years ago

Can someone help me on this and thanks

Natasha_Volkova [10]

Answer: False

Step-by-step explanation:

Although it does go through y= -4

Doing Rise/Run we go up 2 and and over to the right 3 and see it does not cross through the point.

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3 years ago

Solve p^2 +4p =1 Please show how to do it as well (worth 5 points)

damaskus [11]

Answer:

The answer of your question is:

Step-by-step explanation:

Solve p² + 4p = 1

p² + 4p + (2)² = 1 + (2)²

(p + 2)² = 1 + 4

(p + 2)² = 5

(p + 2) = ±√5

p1 + 2 = √5 p2 + 2 = -√5

p1 = √5 - 2 p2 = -√5 + 2

p1 = 0.23 p2 = -0.23

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4 years ago

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Rick wants to compare 87..421 and 91.396 . What might happen if he compares the 421 thousandths and the 396 thousandths first

77julia77 [94]

You would get the decimal for the number

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4 years ago