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WARRIOR [948]
3 years ago
15

Help please its URGENT!!!!!!!!

Mathematics
2 answers:
Aneli [31]3 years ago
4 0

This is a relation but not a function.

Functions must have that there is a unique y for a given x, which clearly doesn't work here because all lines of a given x have 2 y-values. However, it is a relation because there is a given set of points which are defined to be within the set of the ellipse (if it's defined which members of two sets, the range and domain, go together, then you have a relation)

Alinara [238K]3 years ago
4 0

iam thinking its D but iam not 100% sure.

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a polygon of 100 sides has all possible drawn from a chosen vertex to the others. how many triangles are formed
Hoochie [10]

Answer:

98

Step-by-step explanation:

for a 4 sided polygon you can only draw one diagonal from one vertex so it forms 2 triangles.

For 5 sides  you get 3 triangles

For 6 sides  - 4

For 7 sides  - 5

For 8 sides - 6

Looks like we get 2 less triangles than the number of sides in the polygon


Answer for 100 sides is 98 triangles.

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4 years ago
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Archy [21]

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Step-by-step explanation:

Let's write it in a more traditional form

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