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
Answer:
i think this is what u are,asking
Multiply the 3 times 4. Then do the same on the top.
Answer:
Hi can you please tell of which grade question is this ?
Answer:
-6x + 15
Step-by-step explanation:
This should be your answer if you are doing distributive property.
Please mark as brainliest! <3
