The answer is 248. Working out is in the picture.
Answer:
3x3÷2= 4.5cm^2
The formula is 1/2×base×slanted height
Step-by-step explanation:
Answer:
Probability of no black bead is adjacent to the yellow bead is = 0.966
Step-by-step explanation:
First to arrange all the beads without restrictions = 6! = 720
Probability the black bead is adjacent to Yellow bead = 4!/6! = 24 /720
= 0.0333
Probability of no black bead is adjacent to the yellow bead is
= 1- Probability the black bead is adjacent to Yellow bead
= 1-0.033
= 0.966
This year
2:7
18:?
well 2*9=18
so 7*9=63
18/63
(18+63=total 81 students)
Last year
1/8
multiply by 9
9/72
9 less students this year
Answer:
30 out of 40: 75%
40 out of 50: 80%
40 out of 50 is the better score
