A median is dropped from a vertex. True False
2 answers:
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The density of the pine wood, 4 cm on each side is 27/64 gram per cubic cm.
It is given in the question that each of the sides of the pine wood is 4 cm and it has the mass of 27 g.
We know that, the formula for density is given by:-
Density = Mass/Volume
As the pine wood has all of the sides equal, hence it is of cubic form.
We know that the volume of a cube =
Here, we have,
Side = 4 cm
Hence,
Volume of pine wood =
We know that,
Mass of pine wood = 27g
Hence, we can find,
Density of pine wood =
To learn more about density, here:-
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Let the width be x.
Width = x
Length = 4x + 7
The area is 650 m²
x(4x + 7) = 650
4x² + 7x - 650 = 0
Using quadratic formula:
a = 4, b = 7, c = -650
Width = 11.9m
Length = 4(11.9) + 7 = 54.6m
Answer: Length = 54.6m and width = 11.9m
Width = x
Length = 4x + 7
The area is 650 m²
x(4x + 7) = 650
4x² + 7x - 650 = 0
Using quadratic formula:
a = 4, b = 7, c = -650
Width = 11.9m
Length = 4(11.9) + 7 = 54.6m
Answer: Length = 54.6m and width = 11.9m