Th three numbers he could of had on his uniform are 60 30 or 90
Answer:
a 2
b -1
Step-by-step explanation:
Answer:
1/9
Step-by-step explanation:
3 red
2 blue
5 green
Total
3
+
2
+
5
=10
Probability of blue is
2
10
~~~~~~~~~~~~~~~~~~~~~~~
Second condition:
3 red
1 blue
5 green
New total
3
+
1
+
5
=
9
Probability of green is
5
9
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Total probability of selecting this path is:
2
10
×
5
9
=
2
9
×
5
10
=
2
9
×
1
2
=
1
9
<span>Justification
Step 1: Let a = b.
Step 2: Then a^2 = ab ,
Step 3: a^2 + a^2 = a^2 + ab ,
Step 4: 2a^2=a^2 + ab,
Step 5: 2a^2 - 2ab = a^2 + ab - 2ab,
Step 6: and 2a^2 - 2a^b = a^2 + ab - 2ab .
Step 7: This can be written as 2(a^2 - ab) = 1(a^2 - ab) ,
Step 8: and cancelling the (a^2 - ab) from both sides gives 1 = 2.</span>
