Answer:
Current impact in pollution units per day=21.6 billion pollution units per day
Step-by-step explanation:
1 person consumes 3000 kilo-calories per person
Current population=7.2 billion people
Total calories the entire population produces=(7.2 billion×3000)
1000 kilo-calories causes= 1 pollution unit
To get the impact of the entire population=(7.2 billion×3000)/1000=21.6 billion pollution units per day
Multiple each term in the first parentheses by each term in the second parentheses (FOIL)
(5x*4x) (5x*-2) (-4x*4) (-4*-2)
20x^2– 10x — 16x + 8
= 20x^2– 26x + 8
Answer:
Night one: 15 calls
Night two: 60 calls
Night three: 20 calls
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, we would simply make an equation.
We're saying the third evening she got x calls.
x-5+3x+x=95
You would need to simplify.
5x-5=95
5x=100
x=20
Night one: 15 calls
Night two: 60 calls
Night three: 20 calls
(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥
Please, please give brainliest, it would be greatly appreciated, I only a few more before I advance, thanks!