Answer:
x =7 x = -7 2/3
Step-by-step explanation:
| 3x + 1 | =22
Absolute value equations have 2 solutions, one positive and one negative
3x+1 = 22 3x+1 = -22
Subtract 1 from each side
3x+1-1 =22-1 3x+1-1 = -22-1
3x= 21 3x = -23
Divide each side by 3
3x/3 = 21/3 3x/3 = -23/3
x =7 x = -7 2/3
Answer:
8 hours
Step-by-step explanation:
5 - 1 = 4 grams
10% of 5 = 0.5 grams per hour
4/0.5 = 8 hours
Answer:
note that -11 itself is not included. the circle is empty, not filled
Answer: $351.81
Step-by-step explanation:
Find 10% of 313.49 by 10 to get $31.35. take that and dived it by 4.5 and add it to the original 10% so you get 6.97 + 31.35 which equals $38.32. Given your wording, you should get $351.81. (38.32+313.35)
