Answer:
It is the third option: (10C1) (20C1( / 50C2.
Step-by-step explanation:
The number of ways of selecting 2 marbles = the number of combination of any 2 marbles in the 50 marbles in the bag and this is 50C2. It is combinations because the order of drawing the marbles does not matter.
The number of combinations of one being red and the other blue = 10C1 times 20C1.
So the answer is (10C1) (20C1( / 50C2.
Answer:
ok i agree
Step-by-step explanation:
SOH CAH TOA
—>
Sin D = 13 sqrt3/26 = 0.76
Sin E = 13/26 = 0.47
Cos D = 13/26 = 0.87
Cos E = 13 sqrt3/26 = 0.64
2 gallons is equal to 256 oz and a cup is equal to 8 oz so your total is 270 fl oz.
Answer:
The answer is: 
Step-by-step explanation:
If we add the angles inside a triangle, we must have 
. So we have an 
angle and an 
angle, their sum is 
, so the missing angle must be 
