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2 years ago

Help with this proof

Mathematics

1 answer:

mixer [17]2 years ago

7 0

Essentially, what we need to do here is prove that BE=EC, BE=CB, and.or CE=BC therefore making it isosceles. With ∠AEC=∠DEB, we know AE=DE, so EC=EB (the points go in order). Therefore, as EC=EB, BEC is isosceles (it has at least 2 equal sides).

Feel free to ask further questions!

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2 years ago

What value of t is the solution of the above equation?

mel-nik [20]

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15/4, or 3 3/4 is your answer.

Step-by-step explanation:

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3 years ago

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3 years ago

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Evgen [1.6K]

Answer:

91 child tickets were sold

Step-by-step explanation:

Let c represent the number of child tickets sold. Then the number of adult tickets sold is (150-c) and the total revenue is ...

5.20c +8.70(150-c) = 986.50

-3.50c +1305 = 986.50 . . . . simplify

-3.50c = -318.50 . . . . . subtract 1305

c = -381.50/-3.50 = 91

The number of child tickets sold that day was 91.

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2 years ago

Read 2 more answers