Answer:
ok, this is what i mean. if you dont unerstand then stop it yes ok,ay hanks you
Step-by-step explanation:
You can see by the image how did I get the answer
Answer:
12/33
Step-by-step explanation:
No.of girls = 21
No.of boys=12
Total no. of students=21+12=33
Probability that a boy's name is drawn at random=12/33
Answer:
Step-by-step explanation:
Givens
x + y = 2
x - y = 6
Solution
Just add the two equations together. The y's will drop out.
x + y = 2
<u>x - y = 6 </u> Add
2x = 8 Divide by 2
2x/2 = 8/2 Combine
x = 4 Substitute x = 4 into the top equation
x + y = 2
4 + y = 2 Subtract 4 from both sides
4-4+y=2-4 Combine
y = - 2
Answer
x = 4
y = -2
