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Blizzard [7]
2 years ago
15

What value of v is a solution to this equation? 4v–15=9 u = -7 or u = 0

Mathematics
1 answer:
arlik [135]2 years ago
6 0

Answer:

Gracias por los pts :)

Step-by-step explanation:

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Circle x centered at the Oregon with radius 10
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Step-by-step explanation:

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3 years ago
2n - 5 = 31<br><br> Answer: The value of n is ....
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Answer:

n = 18

Step-by-step explanation:

2n - 5 = 31

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7 0
3 years ago
Read this E[2X^2 â€" Y].
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Looks like a badly encoded/decoded symbol. It's supposed to be a minus sign, so you're asked to find the expectation of 2<em>X </em>² - <em>Y</em>.

If you don't know how <em>X</em> or <em>Y</em> are distributed, but you know E[<em>X</em> ²] and E[<em>Y</em>], then it's as simple as distributing the expectation over the sum:

E[2<em>X </em>² - <em>Y</em>] = 2 E[<em>X </em>²] - E[<em>Y</em>]

Or, if you're given the expectation and variance of <em>X</em>, you have

Var[<em>X</em>] = E[<em>X</em> ²] - E[<em>X</em>]²

→   E[2<em>X </em>² - <em>Y</em>] = 2 (Var[<em>X</em>] + E[<em>X</em>]²) - E[<em>Y</em>]

Otherwise, you may be given the density function, or joint density, in which case you can determine the expectations by computing an integral or sum.

6 0
2 years ago
I’ve been stuck on this question for an hour? I need help ASAP! Thanks! What is the total surface area of the trapezoidal prism?
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Answer:

262mmsq

Step-by-step explanation:

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3 years ago
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