Answer:
95
Step-by-step explanation:
Required Average
=
80
Let the required grade be
x
.
Average
=
Sum of
n
numbers
n
So
80
=
76
+
84
+
65
+
x
4
320
=
225
+
x
x
=
320
−
225
x
=
95
Therefore, the required grade is
95
.
Answer:
1)3 is the mode because it has the highest frequency
2)17
Answer: i dont know, gook luck
Step-by-step explanation:
A:MK <-175 if k >0, then m <-175/m, if k=0, no answers, if k <0, then m >-175/m
B: 5f=3c-55, then f = 3c-55/5
Answer:
28
Step-by-step explanation:
3(-2)(-4)+4=?
(-6)(-4)+4=?
24+4=-28
