Answer:
solution: ( 3 , 6 )
Step-by-step explanation:
make y the subject in equation 2:
insert this in equation 1:
solve for y:
Answer:
hay luluu it's me off tic tok I'm on my other account and go with c then if not that then it's b
Answer:
A
Step-by-step explanation:
common ratio of 0.5.
hmu for more
Answer:
500 phones
Step-by-step explanation:
cost of manufacturing: y = 80x + 10,000
money from phone sales: y = 100x
* note: x = #phones
solve for when they're equal;
100x = 80x + 10,000
100x - 80x = 80x - 80x + 10,000
20x = 10,000 –––––––––––> divide both sides by 20
x = 500
Answer:
21
Step-by-step explanation:
Hope this helped have an amazing day!