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sonaihriley
18.07.2019 •
Mathematics
Find the distance between these points. r(-1, 0), s(8, 6) √(26) √(85) 3√(13)
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Ответ:
Ответ:
The width is option (A) 2 ft and the length is option (D) 8 ft
Step-by-step explanation: The bench has been constructed and we have been given the area as 16. So we already know that
Area = L x W
16 = L x W
Also we have been given that the length is 4 times greater than the width. This means if the width is W, then the length would be 4 time W, which is 4W.
Therefore, having known the area as 16 square feet, the equation becomes;
16 = 4W x W
16 = 4W²
We add the square root sign to both sides of the equation and we have
√16 = √4W²
4 = 2W
Divide both sides of the equation by 2,
2 = W
With the width now known as 2 ft, the length which had been determined as 4W now becomes
Length = 4(2)
Length = 8
Therefore, the length is 8 ft, and the width is 2 ft.