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The calculation of annual depreciation using the straight line depreciation method is given by Depreciable Cost / Estimated useful life
Option B is the right answer.
The missing Options are attached with the answer.
<h3>What is Depreciation ?</h3>Depreciation is an account entry , which depicts the fall in tyhe net value of an asset with time.
It includes the depreciation of automobiles , machines etc.
Various methods are used and accepted world wide for calculation of Depreciation
The calculation of annual depreciation using the straight line depreciation method is given by
Depreciable Cost / Estimated useful life
Therefore Option B is the right answer.
To know more about Depreciation.
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The spider's movement is an illustration of a parabola.
- The equation of a parabola is:
- The focus of a parabola is: (40,-30)
- The axis of symmetry is:
- The directrix is:
<u>(a) The equation</u>
The spider passes through the origin.
So, we have:
The spider jumps to a maximum height of 10mm, midway 80mm.
So, the vertex is:
The equation of a parabola is:
So, we have:
Subtract 10 from both sides
Solve for a
Substitute and
in
<u>(b) The focus, directrix and the axis of symmetry</u>
The focus of a parabola is:
Where:
So, we have:
So, we have:
The axis of symmetry is:
So, we have:
The directrix is:
Read more about parabolas at: