Step-by-step explanation:
Simple
128.04 - 8.287
= 119.753
5.7*10^9-300,000,000= 5,400,000,000
5,400,000,000=5.4*10^9
So the cell phone users worldwide is 5.4*10^9 more than the cell phone users in USA.
Answer:f(t)=4/9t — 12
Step-by-step explanation:
1. 4 is being multiplied by t first then divided by 9 not by 4/9 so there shouldn’t be any parentheses.
2. 12 is being subtracted from this so it should be 4/9t—12.
3. Final answer: f(t)= 4/9t — 12
Cotangent is one over tangent
1/(4/7)
Answer 7/4
