Write an equation showing the relationship between side length s and volume V of a cube.
1 answer:
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Answer:
4 plants
Step-by-step explanation:
In this problem, we are given the total area of the garden, which is:
The number of plants that can fit inside the garden is given by the equation:
where:
n is the number of plants
a is the area of each plants
In this problem, the area of each plant is
Therefore, we can re-arrange the equation to find the number of plants that can fit:
Answer:
15 days
Step-by-step explanation:
Let x be the number of days needed for B to complete the job. Then x-5 is the number of days needed for A to complete the job.
In 1 day,
- A completes
of all work;
- B completes
of all work.
Hence, in 1 day both A and B complete of all work. A and B working together can do a work in 6 days. Then
Solve this equation:
If then
that is impossible. So, B needs 15 days to complete the work alone.