18 = 2×3×3
30 = 2×3×5
The LCM will have factors of 2, 3², and 5. (Choose the highest power of each prime.)
2×3×3×5 = 90 is the LCM of 18 and 30.
0.75
just divide 9 by 12
Answer:
The only fraction i can think of is 2/9
Step-by-step explanation:
Blank 1) 150
Blank 2) (3)²
3) (4)²
4) (x+3)²
5) (y-3)²
6) (x+3)²+(y-3)² = 100
d=7/2
3/4d-1/2=3/8+1/2d
multiply all by 8, to make them into whole numbers (makes it easier)
6d-4=3+4d
move terms
6-d-4d=2d
3+4=7
7=2d
there are 200 students in the 7th grade.
