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ankoles [38]
3 years ago
5

There are 25 students in a class. 2525 of them walk to school.

Mathematics
2 answers:
Tatiana [17]3 years ago
6 0
Even IF you meant 25/25, I don't understand what you mean by which method. Could you please clarify? Comment on my answer, and I will comment you your answer.
Yanka [14]3 years ago
3 0
You would have to do 25/25 to get the answer 
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Is −3 a solution to the equation 3 − 5 = 4+ 2? Explain.
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Two figures are similar with a scale factor of 5/2.
aev [14]

Answer:

If we have two figures, F and F'

Such that if we start with F, and dilate it with a scale factor K, we get F'.

We will have:

All the measures of F', are K times the correspondent measures of F.

Then if F has  s₁, s₂, ..., sₙ sides, the sides of F' will be:

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The ratio between perimeters will also be equal to K (because the perimeter is the sum of all the sides of each figure, so we can just take K as a common factor)

In the case of the area, because we usually multiply a measure by another, a factor K^2 will  appear, and the quotient between the areas is K^2

And finally, for the volumes, the ratio will be K^3

a) The ratio of corresponding lengths is K, in this case is 5/2

b) The ratio of the perimeters is K, in this case is 5/2

c) The ratio of the areas is K^2, in this case is (5/2)^2 = 25/4

d) The ratio of the areas is K^3, in this case is (5/2)^3 = 125/8

e) Two figures are similar if the figures have the same shape, then the corresponding angles are exactly the same, then the ratio of corresponding angle measures is 1.

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Is this relationship proportional or non proportional
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jeka94
This expression is already simplified. 

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