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Zigmanuir [339]
2 years ago
9

PLEASE HELP What is the area of the trapezoid?

Mathematics
2 answers:
Hitman42 [59]2 years ago
7 0

Answer:

Step-by-step explanation:

\text{Area of trapezoid = $\dfrac{(a+b)*h}{2}$}

a and b are the length of the parallel sides.

a = 8 + 4 + 4 = 16 in

b = 8 in

h = height  = 6 in

Area = \dfrac{(8+16)*6}{2}\\\\\\=\dfrac{24*6}{2}\\\\=24*3\\\\= 72 \ in^{2}

jekas [21]2 years ago
3 0
36

Step by step explanation:




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Answer:

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A sequence of 1 million iid symbols(+1 and +2), Xi, are transmitted through a channel and summed to produce a new random variabl
Zigmanuir [339]

Answer:

E(w) = 1600000

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Step-by-step explanation:

given data

sequence = 1 million iid  (+1 and +2)

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solution

sequence will be here as

P{Xi = k } = 0.4              for k = +1

                  0.6              for k = +2

and define is

x1  + x2 + ................ + X1000000

so for expected value for W

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as per the linear probability of expectation

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E(w) = 1600000

and

for variance of W

v(w) = V ( x1  + x2 + ................ + X1000000 )    ..........................2

v(w) = V x1  + V x2 + ................  + V  X1000000

here also same as that xi are i.e d so cov(xi, xj ) = 0 and i ≠ j

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v(w) = 1000000 ( v(x) )

v(w) = 1000000 ( 0.24)

v(w) = 240000

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3 years ago
two sides of a triangle are 4 and 6 the third side cant be what A 2 b 4 c 6 d 8 please respond asap ​
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Answer:

it’s b.4

hopes this help you

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3 years ago
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