Plug in 3 for x so
2(3)+2
6+2=
8
The evaluation is 8
Answer:
Domain: x is all real numbers
Range: y is less than or equal to 5
<h2><em>Width=w
</em></h2><h2><em>Length=l
</em></h2><h2><em>Perimeter=p
</em></h2><h2><em>
</em></h2><h2><em>p=2w+2l
</em></h2><h2><em>l=20+w
</em></h2><h2><em>p=2w+20+w+20+w
</em></h2><h2><em>p=4w+40
</em></h2><h2><em>
</em></h2><h2><em>4w+40=160
</em></h2><h2><em>4w=160-40=120
</em></h2><h2><em>w=120:4=30
</em></h2><h2><em>w=30
</em></h2><h2><em>l=20+w
</em></h2><h2><em>l=20+30=50</em></h2>
Answer:
8persons/group
Step-by-step explanation:
Give parameters:
Number fourth graders = 24
Number of groups = 3 groups
Unknown:
Number of students in each group = ?
Solution:
Solving this problem involves finding the number of persons per group.
Number of persons per group =
Insert the parameters and solve;
Number of persons per group =
= 8persons/group