3 years ago

I neeeeeeeeeeeeeeeeeeed help

1 answer:

5 0

5.8 * 10^7

2.5* 10 ^ -3

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slavikrds [6]

Answer:

Step-by-step explanation:

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3 years ago

Vitek1552 [10]

Answer:

n = 20

Step-by-step explanation:

The number of diagonal that can be drawn in a polygon of n sides is given by :

$D=\dfrac{n(n-3)}{2}$

If the number of diagonals are 230, then put D = 230 in above formula. So,

$230=\dfrac{n(n-3)}{2}\\\\460=n^2-3n\\\\n^2-3n-460=0$

It is a quadratic equation, the value of n is equal to 20.

It means that for 230 diagonal, there are 20 sides of the polygon.

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masha68 [24]

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Scrat [10]

Answer:

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scZoUnD [109]

Find the values of x and y. a.x=90,y=47 b.x=43,y=47 c.x=47,y=43 d.x=90,y=43

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3 years ago