Minutes(m) Cost
0 20
10 22
20 24
50 30
slope formula:
m = (y1 - y2) / (x1 - x2)
m = (20 - 22) / (0 - 10) = -2/-10 = 1/5 or 0.20
y = (1/5)(x) + 20
The rule that describes Amy's monthly cost is:
m = 1/5x + 20 or m = 0.20x + 20
Where x is the number of minutes spent on the call.
Answer:
The correct answer is B. 880
Step-by-step explanation:
220%=2.2
2.2(400)=880
Answer:
#8: distance is 3 units
#9: distance is 1 unit
Step-by-step explanation:
for #8 the x values are the same and there's a 3 unit difference between the y value
for #9 the y values are the same and there's a 1 unit difference between the x values
hope this helps chu :3
The numerator should be 8x
