Answer:
9.8
Step-by-step explanation:
1:49= ratio of carbon to to iron
1+49= steel
50=10pounds
49=?pounds
49 * 10/50
=49/5
=9.8pounds
Answer:

Step-by-step explanation:
An expression means that we don't know enough to create an equation. So, this means we will mostly be using variables.
John runs r amount every day. We need to create an expression for if he runs r amount for 4 days.

r = how much he runs per day
4 = how many days he runs
z = how much he runs this week
This is your expression!
Answer:
5.1
Step-by-step explanation:
all you do is divide 12.55 by 2.54
Either factor in paren can be equal 0
so either q=-2
or q=-3/4
Answer:
i don't see the 2 one
Step-by-step explanation: