Answer:
The are 5 marbles
Step-by-step explanation:
51/85 = 3/5 As a result, there are 51 red and 85 green marbles.
81
it's a
No, the two sets are not disjoint.
Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45
Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49
They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.
Haha once again 1200 and 8.5 are the answers
y= 2,75
6 = 3 + 5 (y-2)
6=8(y-2)
6/8=y-2
¾=y-2
0,75+2=y