Answer:
85/3
Explanation:
3x + 5 = 90
3x = 85
x = 85/3
Answer: none
Step-by-step explanation:
What are these questions, I want brainless btw
Answer and Explanation:
Number of classes = 8
Highest value =2300
Lowest value = 1250
Class width= highest value – lowest value / number of classes
= 2300 – 1250/8
= 131.25 = 132
So, we can write class as 1250+132=1382
Class frequency
1250-1382 2
1382-1514 3
1514-1646 6
1646-1778 2
1778-1910 3
1910-2042 2
2042-2174 1
2174-2306 1
we are given

Firstly , we can factor out 8

now, we can rewrite it

now, we can use formula

so, we will get
.............Answer