Answer:
0.4
Step-by-step explanation:
Probability = Favourable Outcomes / Total Outcomes
Probability (Blue socks drawn out) = Blue Socks pairs / Total Socks pairs
6 / ( 5 + 6 + 3 + 1 )
= 6 / 15
= 0.4
Answer:
For this question, x = 16
Step-by-step explanation:
x/20 = 4/5
if we cross multiply, we will have
x × 5 = 4 × 20
5x = 80
x = 80/5
x = 16
Answer:
y will increase by 8
Step-by-step explanation:
y = 8x+2
We increase x by 1
Replace x with x+1
y = 8(x+1) +2
y = 8x+8+2
y = 8x+2 +8
y will increase by 8
Answer:
60
Step-by-step explanation:
60 plus 60 plus 60 is 180
has to add up to 180
