ANSWER:
We know that,
Speed = Distance/Time
So, Time taken = 20kmh-¹/160km
Answer:

Step-by-step explanation:
The Law of Cosines is given as:
.
Plugging in given values, we get:
.
Answer:
A 21 /169
B independent
Step-by-step explanation:
The total number of candies is 7+3+3 = 13
P( 1st red) = red/total = 7/13
Since the candy is put back there are still 13 candies in the dish
P(2nd green) = green/total = 3/13
P( red, then green) = P( 1st red) * P(2nd green)
= 7/13* 3/13 = 21/169
The events are independent since the candies are put back
Answer:
18/5
Step-by-step explanation:
Answer:
2^3 .3^2
Step-by-step explanation:
if 2×2×2 = 8
and 3×3=9 then 8×9=72