Answer:83
Step-by-step explanation:d the mean you add /5= 76
There is no mode none repeat
The median put them in order get middle number. 40. 70. 83. 92. 93 is 83 best
Answer:
10 = 3 and 4
11 = 11 and 12
12 = 8 and 9
13 = 17 and 18
Step-by-step explanation:
Answer:
I think the answer is (2,-1)
Step-by-step explanation:
if the 2 matrices are inverse, then their product must be the identity matrix
1 0
0 1
so,
m×3 + 2×-7 = 1
7×3 + 3×-7 = 0
m×-2 + 2×m = 0
7×-2 + 3×m = 1
that means we have to solve only
3m - 14 = 1
3m = 15
m = 5
