Answer:
(12,3) and (20,5)
Step-by-step explanation:
When using the direct variation equation we can check these by division and we get .25 for the answer of both.
3/12 and 5/20
Answer:
1/6 + 1/2 = 1/6 + 3/6 = 4/6
SIMPLIFIED IS = 2/3
Step-by-step explanation:
X : the gas used by first car in 1 particular week
y : the gas used by second car in 1 particular week

Answer:

Step-by-step explanation:
GIVEN: A bag contain
red marbles,
green marbles and
blue marble. A marble is chosen at random from the bag and not replaced, then a second marble is chose.
TO FIND: What is the probability both marbles are green.
SOLUTION:
Total marbles in bag 
total number of green marbles 
Probability that first marble will be green 

Probability that second marble will be green 

As both events are disjoint
probability both marbles are green 

Hence the probability both marbles are green is 
B, because you can't get the square root of a negative number