Answer:
about 90% of the time?
Step-by-step explanation:
Answer:
x=5+132,5−132x=\frac{5+\sqrt{13}}{2},\frac{5-\sqrt{13}}{2}
x=
2 5+√
13, 2 5−√
13
Step-by-step explanation: learn yourself
The total of her first six quizzes is 75*6 = 450
Let her seventh score be x
The total of her seven quizzes be 450+x
Then, (450+x)/7 = 77
x = (77*7) - 450 = 89
Her seventh score is 89
x =
2=10
3 =15
7=35
1=5
Constant of 1 is 5
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