No solution / no x
D=b^2-4*a*c -> D=-4^2-4*1*21 -> D=-28 -> D<0, no solution
The answer and explanation in the pic below
Good luck,!
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Answer:
1.6cm:
Step-by-step explanation:
1cm = 2m
2 divided by 1 = 2
3.2 divided by 2 =1.6
1.6cm
Answer:
1/10.
Step-by-step explanation:
Total allowance=1
Half to wife so 1-1/2=1/2(Left from total)
1/5 to each son so 2/5 to both(Total for sons).
Left for daughter 1/2-2/5=1/10(Ans)