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
4 times 7 gets 28 and 7-4 gets you 3
Answer:
-8100 x (-0.1)5
Step-by-step explanation:
Answer:
therefore angle Y will be equal to angle X by vertically opposite angle as by taking all the angles inside the traingle will be equal to Y so Y = X = 60°
Answer:
$26
Step-by-step explanation:
So there is a $450 budget and $60 dollars for the transport so 450-60 is 390 then 390 dived by 15 is 26 theres ur answer.
