Answer:
Substitution, but this system of equations has no solution.
Step-by-step explanation:
2x-4y=10
2y+6=x
----------------
2(2y+6)-4y=10
4y+12-4y=10
12=10
no solution.
Answer:
Richard is 22 and Teo is 9
Step-by-step explanation:
Teo's age:
31-13
=18 divided by 2
=9
Richard's age:
31-9
=22
15 bags you will only use 14 full bags and use some of the 15th bag
Answer:
The answer to your question is: volume = 4 cm³
Step-by-step explanation:
Data
density = 2 g/cm³
Volume = ?
mass = 8 g
Formula
density = mass / volume
volume = mass / density
Substitution
volume = 8 / 2
volume = 4 cm³
