Answer:
D
Step-by-step explanation:
Plug (5, 7) & (8, 13) into each equations and see which one of them makes mathematical sense. You'll find out that y=2x-3 is the right answer.
Answer:
$166.42.
Step-by-step explanation:
We have been given that the price of the cell phone is expected to increase by 165% in September 2015. The current price of a cell phone is $62.80.
The price of cell phone in September 2015 will be $62.80 plus 165% of $62.80.
![\text{The predicted cost of a cell phone in September 2015}=\$62.80+(\frac{165}{100}*\$62.80)](https://tex.z-dn.net/?f=%5Ctext%7BThe%20predicted%20cost%20of%20a%20cell%20phone%20in%20September%202015%7D%3D%5C%2462.80%2B%28%5Cfrac%7B165%7D%7B100%7D%2A%5C%2462.80%29)
![\text{The predicted cost of a cell phone in September 2015}=\$62.80+(1.65*\$62.80)](https://tex.z-dn.net/?f=%5Ctext%7BThe%20predicted%20cost%20of%20a%20cell%20phone%20in%20September%202015%7D%3D%5C%2462.80%2B%281.65%2A%5C%2462.80%29)
![\text{The predicted cost of a cell phone in September 2015}=\$62.80+\$103.62](https://tex.z-dn.net/?f=%5Ctext%7BThe%20predicted%20cost%20of%20a%20cell%20phone%20in%20September%202015%7D%3D%5C%2462.80%2B%5C%24103.62)
![\text{The predicted cost of a cell phone in September 2015}=\$166.42](https://tex.z-dn.net/?f=%5Ctext%7BThe%20predicted%20cost%20of%20a%20cell%20phone%20in%20September%202015%7D%3D%5C%24166.42)
Therefore, the predicted cost of a cell phone in September 2015 will be $166.42.
3x-5+x+1=180
4x-4=180
4x=176
X=44
Plug in 44 for X
3(44)-5
132-5
Answer
127