In this figure, the unshaded region represents a painting and the shaded region represents a frame around the painting. All angl
es are right angles. (a) What is the area of the painting? Show your work.
(b) What is the area of the frame? Show your work.
(b) What is the area of the frame? Show your work.
1 answer:
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300 messages would have to be sent or received in order for the plan to cost same each month.
Step-by-step explanation:
Given,
Cost per month = $30
Per text sent or received charges = $0.10
Let,
x be the number of texts sent or received.
A(x) = 0.10x+30
A comparable plan costs = $60 per month
Text messages are unlimited.
B(x) = 60
For the two plans to cost equal;
A(x) = B(x)
Dividing both sides by 0.10
300 messages would have to be sent or received in order for the plan to cost same each month.
Keywords: function, addition
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