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Answer:
we know that, Volume of cube=a³
Let volume of 1st cube be 2x with side a and other be x with side A (according to given ratio)
Step-by-step explanation:
ATQ: 2x=a³ and, x=A³
a=³√2x and, A=x
we know that, surface area of cube is 6a²
Thus, surface area of 1st cube = 6(³√2x)²
= 6³√4x²
Surface area of 2nd cube=6(x)²=6x²
Ratio of S.A=(6³√4x²)÷(6x²)
Ratio of S.A=³√4:1
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200 / 19.30 = 10.36
Usain ran 10.36 meters per second
Answer:
18ft
Step-by-step explanation:
L = length
W = width
l = w + 2ft ; because the is 2 ft longer than width
The area of a rectangle is lw
You can take the first equation ( l = w + 2 ) and plug it in lw
like this: lw ---> (w+2)w = w^2+2w
then from the question you get: w^2+2w=19.25
you use the quadratic formula and get w = 3.5
then from the first equation, you get l = 3.5+ 2 so the length is 5.5
lastly, you use the perimeter formula: 2(l+w) so 2(9) = 18
so 18ft
Answer:
I think its the first one but not 100 % sure
Step-by-step explanation:
Answer: option B is the correct answer.
Step-by-step explanation:
The length of each side of the triangle varies directly with the angles of the triangle. This means that the longest side would be formed by the largest angle in the triangle and the shortest side is the side would be formed by the smallest angle in the triangle.
The smallest angle in the triangle is 43 degrees. Therefore, the shortest side of the triangle would be the side opposite 43 degrees.
Therefore, the shortest side is DE
