Answer:
11
Step-by-step explanation:
Answer:
10 committees
Step-by-step explanation:
Let's say there names are Bob, Doris, Brenda, Alex, and Emma.
Bob and Doris
Bob and Brenda
Bob and Alex
Bob and Emma
Doris and Brenda
Doris and Alex
Doris and Emma
Brenda and Alex
Brenda and Emma
Alex and Emma
these are all different groups starting with only 5 people leading to 10 possible variations of the committee members
Hope that helps! :)
For number 3.
You add 8 to both sides as you need to separate the variable
4x-8=32
+8 +8
4x=32
now divide 32 by 4
x=8
for number 4
you use pemdas to multiply the parenthisis
2(x-5)=-20
(2•x)-(2•5)
2x-10=-20
then add 10 to both sides
2x-10=-20
+10 +10
2x=10
divide 10 by two
x=5
Answer:
A
Step-by-step explanation:
