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Airida [17]
3 years ago
7

So say if its 4:30 pm now for me, what time will it be in 4 and a half hours? im lazy lolz

Mathematics
2 answers:
KengaRu [80]3 years ago
8 0
9:30 or either 9 but yea
goldfiish [28.3K]3 years ago
5 0

Answer:

9:00

Step-by-step explanation:

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The revenue (X) from the sales of a compay has an expected value of $6,263, with a standard deviation of $440 while the cost (Y)
shutvik [7]

Answer:

the covariance between the revenue and cost is 1,513. What is the variance of the profit (X-Y) of the company is 303468

Step-by-step explanation:

Given that;

E(x) = 6263

SD(x) = 440

F(y) = 4872

SD(y) = 336

COVI (x, y) = 1513

Variance x = [ SD(x) ]²

Variance x = [440]² = 193600

Variance y = [ SD(y) ]²

Variance y = [336]² = 112896

Now to get variance of the profit (X-Y) of the company we say;

variance ( x-y ) = variance x + variance y - 2covi(x.y)

we substitute

variance ( x-y ) = 193600 + 112896 - ( 2 × 1513 )

variance ( x-y ) = 306496 - 3026

variance ( x-y ) = 303468

therefore the covariance between the revenue and cost is 1,513. What is the variance of the profit (X-Y) of the company is 303468

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3 years ago
What is the standard form of (x + 1 + i)(x + 1 − i)
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Answer:

hope it helps

Step-by-step explanation:

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Graph the line with a slope of 2/3 that contains the point (−3,−5)
Anna007 [38]

Answer:

Step-by-step explanation:

So for the given information, it would be easiest to use slope-intercept form, which is y=mx + b, where m is the slope and b is the y-intercept.

We can plug in 2/3 for the slope, because we are given that.

y=2/3x + b.

To find the y-intercept, plug in the given point for x and y and solve for b.

-5 = 2/3 · (-3) + b

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So now we have the complete equation of the line.

<u>y = 2/3x -3</u>

Now to graphing.

We can put the y-intercept, (0, -3), and the given point, (-3, -5) on a graph.

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