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30.06.2019 •
Mathematics
What is bc ? enter your answer in the box.
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Ответ:
BC = 25
Step-by-step explanation:
since this is an isosceles triangle AC = AB
2x+23 = 4x+1
subtract 2x from each side
2x+23 -2x = 4x+1-2x
23 = 2x+1
subtract 1 from each side
23-1 = 2x+1-1
22 = 2x
divide each side by 2
22/2 =2x/2
11= x
BC = 3x-8
BC = 3*11 -8
BC =33-8
BC = 25
Ответ: