7:10
7/10
7 to 10
Hope this helps
Answer:
y= -3
Step-by-step explanation:
adding both the equation we get x= 7
and then put value of x in any one equation u will get y as -3
Answer:
Hmm
Step-by-step explanation:
Answer:
89.125%
Step-by-step explanation:
The weighted mean is simply the multiplication of the number of student in each period times the respective average of said period, divided by the total number of students:
Average = = 89.125%
7+3^2(-5+1)/2 ... 7+3^2(-4)/2 ... 7+3^2(-2)... 7+9(-2)... 7-18 ... -11 perhaps ???