The floor measurements of MR Tan's bathroom is 4m by 10m. how many 0.5m are needed to cover the floor of bathroom?
1 answer:
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B
To solve for the inverse, just swap the x and y and solve for the new y.
Then inspect both functions for the domain.
In the original function, x has to be greater than or equal to 0 or else you would have a negative square root which is impossible.
The inverse function has no limitations as any x could make that true.
The main things that will limit domain is square root of negative or divide by zero.
Therefore, x>=0 is the only domain restriction.
The ideal radius Alan must control is cm.
The measurement of the circle's perimeter, also known as its circumference, is called the circle's boundary. The area of a circle determines the space it takes up. A circle's diameter is equal to the length of a straight line traced through its center. Usually, it is stated in terms of units like cm or m.
Given data -
Perimeter of circular plate = 10 cm
We know that perimeter of a circle is 2r
Therefore 10 = 2
r
r = 5 cm
The given error Alan can make is +-1 cm.
Minimum radius is given by
2r = 10
- 1
r =
r = 5 -
Maximum radius is given by
2r = 10
+ 1
r =
r = 5 +
The ideal radius Alan must control is cm.
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