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NARA [144]
3 years ago
9

PLEASE HELP!!!! How do I show the work to find the area of this composite figure. The answer is 81.8km I just don’t know how to

show the work.

Mathematics
1 answer:
Ket [755]3 years ago
6 0
(area of the half-cirlce) + (area of the triange) + (area of the rectangle) + (area of biggest triangle) + (area of 2 congruent trianges)
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Step-by-step explanation:

the average of the first 8 games is 24

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ruslelena [56]

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46 housewives read all three magazines.

Step-by-step explanation:

Given:

        n(A) = 150

        n(B) = 200

        n(C) = 156

        n(A∩B) = 48

        n(B∩C) = 60

        n(A∩C) = 52

         n(A∪B∪C) = 300

so we know the relation as:

  n(A∪B∪C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) - n(A∩C) + n(A∩B∩C)

∴ n(A∩B∩C) = n(A) + n(B) + n(C) - n(A∩B) - n(B∩C) - n(A∩C)  - n(A∪B∪C)

                    = 150 + 200+ 156 - 48 - 60 - 52 - 300

                   = 46

Hence the number of housewives that had read all three magazine is 46.

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Answer:

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The apparatus used to react a metal with steam and collect the gas produced is shown below.

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A

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