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Leno4ka [110]
3 years ago
12

Evaluate xe^(x^2+y^2+z^2) where e is the portion of the unit ball x^2+y^2+z^2 < 1 that lies in the firat octant

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0
Given

\int\int\int_E xe^{(x^2+y^2+z^2)}

where E <span>is the portion of the unit ball x^2+y^2+z^2\leq1 that lies in the first octant.

This can be evaluated as follows:

\int_0^1\int_0^{\sqrt{1-x^2}}\int_0^{\sqrt{1-x^2-y^2}} xe^{(x^2+y^2+z^2)}dzdydx=0.392699</span>
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In ΔUVW, w = 3 inches, ∠W=23° and ∠U=73°. Find the length of u, to the nearest 10th of an inch.
kirza4 [7]

Answer:

<h2>7.4inches</h2>

Step-by-step explanation:

Check the attachment for the diagram. Sine rule will be used to get the unknown side of the triangle.

According to the rule;

\frac{u}{sinU} =  \frac{v}{sinV} = \frac{w}{sinW}\\\frac{u}{sinU} = \frac{w}{sinW}

Given w = 3 in, ∠W=23° and ∠U=73°, on substituting into the equation above to get u we have;

\frac{u}{sin73^{0} } = \frac{3}{sin23^{0} }\\usin23^{0} = 3sin73^{0}\\u = \frac{3sin73^{0} }{sin23^{0} }\\u = \frac{2.87}{0.39} \\u = 7.358\\u = 7.4in

The length of u is 7.4inches to nearest 10th of an inch

6 0
3 years ago
A beaker contains 0.5 liter of solution.Jordan uses 0.08 of the solution for an experiment.How much of the solution does Jordan
schepotkina [342]
I feel like this is a trick question

In the question it states "Jordan uses 0.08 of the solution for an experiment"

Which means that the answer is 0.08. Jordan uses 0.08 of the solution
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Hey! please help i’ll give brainliest!
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B

Step-by-step explanation:

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Step-by-step explanation:

-9(-10-9)

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