Answer:
Step-by-step explanation:
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Answer:
it's composed of the digits 4 and 7
Answer:
8x^2-2x+4x+1=0
2x(4x-1)-1(4x-1)=0
(2x-1)(4x-1)
x=1/2,1/4
Step-by-step explanation:
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Answer:
7y = 20
Step-by-step explanation: