1) first pick red 5/9 blue 4/9
2) second pick when red has been picked red now becomes 4/8, blue stays 4/8
2) Second pick when blue has been picked blue now becomes 3/8, red stays 5/8
Mind you, you only need both different colours so:
first pick red 5/9 x sec pick blue 4/8 = 20/72
and first pick blue 4/9 x sec pick red 5/8 = 20/72
add both up 20/72 + 20/72 = 40/72 = 5/9
Answer:
z=-
Step-by-step explanation:
What do I graph? There is nothing there
Answer: He needs 20 hours for making 33 kg of meat.
Step-by-step explanation:
Since, if a a thing in quantity
takes time
and that thing in quantity
takes time 
Then, we know that,


Here,
kg,
hours,
kg and 
Thus, 
⇒
⇒
⇒
Thus, he needs 20 hours to make 33 kg of meat.
The answer is ,
Only 35 degrees...
As the other option won’t make the sum of the interior angles 180..