The common difference is 4. If you look at the numbers 1 and 5, there is a difference of 4. If you look at 5 and 9, there is also a difference of 4. If you look at 9 and 13, there is a difference of 4. Therefore, in this arithmetic sequence, the common difference is 4.
Answer:
x = 25
Step-by-step explanation:
Step 1: Make a proportion
40/20 = 50/x
Step 2: Solve your proportion
2 = 50/x
2x = 50
x = 25
We would have to have seen the mini lesson because that’s what it’s according too
Answer:
x=2
Step-by-step explanation:
combine like terms to get 15x=30. divide by 15 on both sides to get x=2
