Answer:
Step-by-step explanation:
Total number of trials =600.
Number of heads = 342.
Number of tails = 258
On tossing a coin,

and of getting a tail respectively.
then,









Answer:{ 2x+y=7 x−2y=6
Step-by-step explanation:
Answer:
81b + 4 - 14/3b
Step-by-step explanation:
divide by 3b, u can leave the fraction in there
Answer:
h = -7
Step-by-step explanation:
- 3 = h + 4
- 3 - h = 4
- h = 4 + 3
- h = 7
Answer:
$22
Step-by-step explanation:
20*110/100
=$22 is the amount