<h3><em>I think the answer is "None"</em></h3>
<em>Correct me if I'm wrong</em>
Answer:
Here is the answer.
Step-by-step explanation:
b) students are the frequency. so we need to add all the frequency.
5 + 4 + 7 + 10 + 4=30 students
c) here we need to use the summation.
total/ frequency= mean
6*5=30
7*4=28
8*7=56
9*10=90
10*4=40
we need to add them all= 244
total frequency= 30
mean = 244/30= 8.133333333...≈ 8 (this is a rounded of value as in 0.13, 3 goes on repeating.
Answer:
10% of the people at the picnic are neither.
Step-by-step explanation:
To get the answer,
1/2 + 2/5 = 9/10
10/10 - 9/10 = 1/10
1/10 = 10%
Thanks, I hope I got this right!
Answer:
1. x=2 2. x=23
Step-by-step explanation:
1: 7(x+3) = 39-2x
7x+21 = 39-2x
9x=18; x=2
2. 2x-5 = 1/2(3x-13)
2x-5 = 1.5x-13/2
0.5x=11.5; x=23