pettismayersjoy3le8
21.08.2019 •
Mathematics
Heather clears a rectangular region in her yard for a garden. if the length is a one-digit whole number and the width is 5.5 meters, what is the least possible area? what is the greatest possible area? what is the greatest possible area? explain how you found your answers.
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Ответ:
Amin = 5.5m × 1m = 5.5m²
there greatest possible area is when the length is equal to 9m (since this is the greatest single digit whole number)
Amax = 5.5m × 9m = 49.5m²
Ответ:
Least possible area is 5.5 m² and greatest possible area is 49.5 m².
Step-by-step explanation:
∵ Area of a rectangle = length × width,
Let x be the length ( in meters ) of the rectangular garden,
We have, width of the garden = 5.5 meters,
So, area of the rectangle,
A = 5.5x
If x = one-digit whole number,
Then x = {0, 1, 2, 3, 4, 9}
If x = 0, A = 0 ( not possible ),
Thus, least area would be possible if x = 1 meter,
So, least possible area of the garden, A = 5.5 m²,
While, greatest area would be possible if x = greatest i.e. 9 meter,
So, greatest possible area of the garden, A = 5.5 × 9 = 49.5 m²
Ответ:
Given:
Given that the rectangular swimming pool has a length of 50 meters, a width of 30 meters and a depth of 1.75 meters.
We need to determine the volume of water needed to fill the swimming pool.
Volume of water:
The volume of water needed to fill the swimming pool can be determined using the formula,
Substituting l =50, w = 30 and h = 1.75, we get;
Multiplying, we get;
Thus, the volume of water needed to fill the swimming pool is 2625 cubic meters.