Answer:
95 or more
Step-by-step explanation:
an average of 89 gives you a mean score of 445 to get an average of 90 he needs a 540 in total for all 6 exams that is a 95 or better.
Answer:
x = 0
x = 7/5
x = -2/3
Step-by-step explanation:
x2 =0
x=0
5x -7 =0
5x = 7
x = 7/5
3x+2 =0
3x = -2
x = -2/3
These are all the 3 roots of this equation
Px + qy = r
2px - qy = 2r
----------------add
3px = 3r
x = 3r/3p
x = r/p
23
1 day is equal to 0.14285714 weeks, so multiply that by the number of days.
