Answer:
x= 8
x= -8
Step-by-step explanation:
|x+1| /3 = 3
|x+1| = 9
|x| + |1| = 9
|x| = 8
x= 8
x= -8
Answer:
7.
Step-by-step explanation:
Range = highest value - lowest
= 9 - 2
= 7.
From the problem we know that Hanna saves one-half of her paycheck each week, so she saves

. Also, we know that her parents put $50 in her savings account each week, so the total amount she and her parents put in her saving's account is

.
Since we know that Hanna currently has <span>$1,280 in her saving's account and each week she and her parents deposit $130 to the account, with </span>

representing the number of weeks, we can model the situation as follows:
Answer:
1~30
2~3
3~40
4~70
5~90
6~90
7~80
Step-by-step explanation:
subtract the total revenue from the total cost