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Mathematics
16 October, 12:48
If DE = 3x, EF = 2x, and DF = 10, what is DE?
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Bennett Ward
16 October, 13:11
0
Step-by-step explanation:
As we know that
DF=DE+EF
by putting values
10=3x+2x
10=5x
10/5=x
2=x
now as
DE=3x
by substituting value of x
DE=3 (2)
DE=6
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