Answer: 1 <= 9
Step-by-step explanation:
Do math
Answer:
B, x=5
Step-by-step explanation:
Both triangles are similar with a ratio of 22.5/9
so using that an equation can be created like this,
= 
If simplified, 22.9(x + 4.44) = 23.5(9)
22.5x + 99 = 211.5
22.5x = 112.5
<u><em>x = 5</em></u>
Answer:
x=3 , x=-3
Step-by-step explanation:

Add 9 on both sides

To remove base 'e' we take ln on both sides


Both sides have ln , so we make the terms equal

Take square root on both sides

x=3 , x=-3
Answer: 280 dollars
Step-by-step explanation:
if the IPOD is 350,
10% out of 350 is 350/10=35
20% is 35*2=70
the price will be 350-70=280