jesylah5
jesylah5
13-08-2018
Mathematics
contestada
Does anyone know how to do the first 3 for 1&2 ?
Respuesta :
lisamgg
lisamgg
13-08-2018
1a) x+x+x+x = 4x = perimeter = 64
4x = 64
x = 16
1b) 5x + 2x + 5x + 2x = perimeter = 98
2×5x + 2×2x = 10x + 4x = 14x = 98
14x = 98
x = 7
1c) 5×(x+4) = 45
5x + 20 = 45
5x = 25
x = 5
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