Answer:
A) I) 49 teams
II)63 teams
B) 28 teams
Step-by-step explanation:
A) a team of 5 boys and 6 Girls
=7C5+ 8C6
= 21+28
= 49 teams
a team of 6 boys and 5 girls
= 7C6 + 8C5
= 7+56
= 63 teams
B) one girl is kept constant already and a guy has injury
Girls remaining to choose from 7
Boys remaining to choose from 6
= 1 +7C5 + 6C5
= 1+21+6
= 28 teams
x + 8 = -7
move +8 to the other side
sign changes from +8 to -8
x+8-8= -7-8
x=-7-8
Answer:
x= -15
The numbers rounded are: 1,800,000 + 5,900,000 The sum of the two numbers is 7,700,000, so C is the answer
I hope I helped:
C: 7,700,000
Answer: 
Step-by-step explanation:
If this is asking for the probability of randomly drawing a blue marble then it'll be however many blue marbles (what you're trying to find) out of the total number of marbles
Blue marbles: 7
Total marbles: 20
