Answer:
-6
Step-by-step explanation:
Answer:
16 is H.9
17. is A.9
Step-by-step explanation:
Hope it helped! ^_^
(x²+3x-4)(x-5)
x³-5²+3x²-15x-4x+20
x³-2x²-19x+20
Answer:
4 hours
Step-by-step explanation:
Ratio of working together
Job : number of hours
1 : 3 = 1/3
Trainer
Job : number of hours
1 : x = 1/x
Trainee
Job : number of hours
1 : 3x = 1/3x
1/x + 1/3x = 1/3
Multiply through by 3x
3x(1/x) + 3x(1/3x) = 3x(1/3)
3 + 1 = x
4 = x
x = 4 hours
It takes the trainee 4 hours to finish the job
It would be $22.50, because if you buy a burger for $3 and you get it for a 5 day period which would be $15. And then if you buy a juice for $1.50 for 5 days would be $7.50. So you would add $15 and $7.50 would be $22.50 for the whole 5 days.
