Answer:
9pi
Step-by-step explanation:
circumference is 2(pi)(r) or diameter(pi)
100*2.2=220
80*2=176
220+176=396
So the two trains will take 2.2 hours so that they are 396 miles apart.
Answer:
1282kg
Step-by-step explanation:
1.0*1.12*1.1=1.232 tonnes
50kg + 1232kg = 1282kg
Hope this helps :)
Answer:
<h3>1 a</h3><h3>2 d</h3><h3>3 c</h3><h3>4 e</h3><h3>5 b</h3>
Step-by-step explanation:
<h3>Hope that will help you</h3>