Tommy has 4 apples. He slices each apple into fourths. How many slices of apple does Tommy have?
2 answers:
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Answer:
5.055 m by 13.055 m
Step-by-step explanation:
Let x represent the width of the room in meters. Then the length is x+8 meters, and the room area is ...
A = LW = (x+8)(x) = 2(rug area)
x^2 +8x = 2(3)(11) = 66
Completing the square, we have ...
x^2 +8x +16 = 82
(x +4)^2 = 82
x = -4 ±√82 ≈ {-13.055, +5.055}
The magnitudes of these dimensions are the dimensions of the room:
√82 ± 4 = {5.055, 13.055} . . . meters
Therefore, the room is 5.055 × 13.055 meters.
The trip was 6 hours long.
Step-by-step explanation:
Given,
The time to go to the island = 1 hours.
The return trip took 3/4 of the time of the original trip.
To find the time of the trip.
Let,
The time of the original trip is x hours.
The time for returning =
According to the problem,
1 +
= x
or, x - =
or, =
or, x = ×4 = 6 hours
Hence,
The trip was 6 hours long.