Ni : Zn: Cu = 7:2:9 =7x : 2x : 9x
7x+2x+9x = 3.8
18x=3.8
x=3.8/18=1.9/9≈0.21
Ni: 7x=7*0.21=1.47 ≈1.5 kg
Zn: 2x=2*0.21=0.42≈0.4 kg
Cu: 9x=9*0.21=1.89 ≈1.9 kg
Check 1.5+0.4+1.9 =3.8 True
this question is meaningles
Find the mean, median, and mode for each set of data:<br>
{8,2,6,8,4,2,3,4,8}
Akimi4 [234]
Mode: 8
2, 2, 3, 4, 4, 6, 8, 8
Median: 4
Mean: 4.625 (37/8)
The answer would be b hope this helps :)
