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fgiga [73]
2 years ago
15

6) Find the measure of ZBEC A) 10° B) 60 C) 80° D) 100

Mathematics
1 answer:
Stolb23 [73]2 years ago
7 0

1. analyze data presented

It is not d because it is not greater than 80 degrees

it is not a because it is clearly not 10 degrees

making system of equations

8x+(4x+60)=180

addition

12x+60=180

move sixty to the other side

12x=120

division

x=10

Angle BEC=*x, so 8x=80

Answer: 80 degrees

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azamat

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THis is a conditional probability question. Let's look at the formula first:

P (A | B) = P(A∩B)/P(B)

" | " means "given that".

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<u><em /></u>

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P (Female | Undergraduate) = P (Female ∩ Undergraduate)/P(Undergraduate)

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this is the answer.

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