Answer:
Step-by-step explanation:
Total amount of time that Joe has before going to soccer practice is 45 minutes. He spent 20 minutes eating a snack. This means that amount of time left after eating the snack is total amount of time that he has - the amount of time he spent on eating the snack. This becomes
45 - 20 = 25 minutes
He spent the rest of the time doing Homework. This means that he spent 25 minutes doing homework.
The equation to express how long Joe spent doing homework will be
Let x = amount of time spent doing home
x = total amount of time he had - amount of time he spent eating snack
Answer:
2x^2 -14x +7
Step-by-step explanation:
(4x^2 -5x + 1)-(2x^2 +9x-6)
4x^2 -5x + 1 -2x^2 -9x +6
we have:
2x^2 -14x +7
Answer:
3
Step-by-step explanation:
We need to find the slope. This is the rate of change for a line
Pick two points (0,1) (1,4)
m = (y2-y1)/(x2-x1)
=(4-1)/(1-0)
=3/1
The rate of change is 3 dollars per guest
Answer:
um.. as many needed lol
Step-by-step explanation:
A town orchestra needs 3 new flute players and 4 new trumpet players. 8 flutists and 11 trumpeters try out, then the orchestra should select 3 flutists from 8 and 4 trumpeters form 11.
They can choose 3 flutists from 8 in
ways.
They can choose 4 flutists from 11 in
ways.
Use the product rule: 56·330=18480 ways for conductor to choose his new members.
