The mistake is in step 3:
I: −2m =−12 − 2n
II: 2m = 8 + 8n
the student set both right sides of the equations equal (−12 − 2n = 8 + 8n), but the left sides aren't equal: first equation has -2m, second has +2m so the signs of one of the equations must be inverted first
Answer:
3
15
Step-by-step explanation:
15 is the number that forms the ratio 3/7 of 35
follow the column up until the row 3
Answer:
C. 40
Step-by-step explanation:
20 + 4x = 180
subtract 20 from both sides
4x = 160
Divide both sides by
x = 40
Answer:
john has a greater ratio of shirts to pants
Step-by-step explanation:
jason- 5:2
table:
shirt :5 10 15 20 25 30 35 40 45
pants:2 4 6 8 10 12 14 16 18 20
john-7:3
table:
shirts:7 14 21 28 35 42 49 56 63
pants:3 6 9 1 2 15 18 21 24 27
Answer:
In y-intercept form: X = 5
Step-by-step explanation:
Becuz the slope is Undefined
