4m+9+5m-12=42
9m-3=42
Divide bothsides by 9.
9m/9 -3/9=-0.3=-4
m=-4
Answer:
D=M/V
D=65.1/6.2
Density is 10.5 grams per centimetre cube
Step-by-step explanation:
Answer:
20/9 or 2 2/9 or 2.2 repeating
Step-by-step explanation:
The 5 and 10 min cross. 10
<span>The 5 min returns. 15 </span>
<span>The 20 and 25 min cross 40 </span>
<span>The 10 min comes back 50 </span>
<span>The 5 and 10 min cross again in60 Mins</span>