A grocery store sells and 8 ounce bottle of juice for $1.76 What is the cost of the juice per ounce?
1 answer:
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Answer:
P = 0.0714
Step-by-step explanation:
If two faces of the larger cube that share and edge are painted blue, it means that 28 of the 64 unit cubes are painted in at least one side and 36 cubes have no painting faces.
Additionally, from the 28 cubes painted only 4 have exactly two painted faces.
Then, to calculate the number of ways in which we can select x elements from a group of n, we can use the following equation:
So, the probability that one of two selected unit cubes will have exactly two painted faces while the other unit cube has no painted faces is:
Because there are 64C2 ways to select 2 cubes from the 64, and from that, there are 4C1*36C1 ways to select one cube with exactly two painted faces and one cube with no painted faces.
Answer:
Time taken to fill the pool = 7.81 hours
Step-by-step explanation:
We are given that it takes 19 seconds to fill 2 gallons. Therefore, we can use cross multiplication to know how long will it take to fill one gallon as follows :
Time taken to fill 2 gallons of tank = 19 seconds
Therefore, it takes 9.5 seconds to fill one gallon of water.
One gallon is equivalent to 0.133681 cubic feet
Therefore, it takes 9.5 seconds to fill 0.133681 cubic feet
Now, to find Volume of the pool :
radius of pool = 6 ft
volume of pool = pi × (radius)² × height
volume of pool = 3.14 × 6² × 3.5
volume of pool = 395.64 cubic feet
Time taken to fill 0.133681 cubic feet of water = 9.5 sec
Hence, Time taken to fill the pool = 7.81 hours