Answer:
the coeficient
Step-by-step explanation:
Answer: 8/4
Step-by-step explanation: if I’m wrong just watch the video for a hint it helps
Answer:
Second from top...
The average rate of change is $0.07, meaning that for each minute of talk time, the monthly bill increases by $0.07.
Step-by-step explanation:
Pick any two points and calculate the slope which will represent the rate of change:
(Minutes, Cost)
(0, 9.95)
(10, 10.65)
Rate of change:
slope m = (y₂ - y₁) / (x₂ - x₁)
= (10.65 - 9.95) / (10 - 0)
= 0.7 / 10
= 0.07
y is cost
m is rate of change
x is minute(s) use
b is fixed monthly cost regardless if any minutes is used
y = mx + b
y = .07x + 9.95
Find the perimeter of a picture first.
width = 7 1/2 = 15/2 in
length = 8 in
perimeter = 2(width) + 2(length)
p = 2(15/2) + 2(8)
p = 15 + 16
p = 31 in
next, find the perimeter of border.
p = 4(1 1/4)
p = 4(5/4)
p = 5 in
perimeter of picture with border = 31 + 5 = 36 in
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