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tia_tia [17]
3 years ago
9

Faith earned a grade of 46% on her multiple-choice history final that had a total of 200 problems. How many problems on the fina

l exam did Faith answer correctly?
Mathematics
1 answer:
damaskus [11]3 years ago
4 0

Answer: she answered 92 questions correct because 46% of 200=92

Step-by-step explanation: Brainliest pls

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IT IS DUE AT 11:59PM. PLEASE HELP!!!!
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Hello from MrBillDoesMath!

Answer:   b = 4, h = 13

Discussion:

For a triangle with base b" and height "h, the area formula is

A=  (1/2)bh.

In our case A = 26, h = 5b-7, so

26 = (1/2) b (5b-7).  Multiply both sides by 2:

26*2 = b(5b-7) =>

52 = b(5b-7)  =>

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5b^2 - 7b - 52 = 0.   This factors as follows:

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so b = 4 and h = 5b -7 = 5*4 - 7 = 13


Thank you,

MrB


3 0
3 years ago
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