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3 years ago

Which of the following is the solution set of the problem?

Mathematics

2 answers:

expeople1 [14]3 years ago

7 0

Answer: b

Step-by-step explanation: got it right

timofeeve [1]3 years ago

6 0

2 less than a number n is (n - 2 ) and 3 times this is 3(n - 2 ), thus

3(n - 2) ≥ 5n ( greater than or equal to 5 times n )

3n - 6 ≤ 5n ( subtract 3n from both sides )

- 6 ≥ 2n ( divide both sides by 2 )

- 3 ≥ n or n ≤ - 3

Since n is less than or equal to - 3 use bracket ]

n ∈ ( - ∞, - 3 ] ← solution set

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Find the number of sides of a regular polygon in which the measure of an interior angle is three times the measure of an exterio

Serhud [2]

The sum of the interior angles of any polygon is given by (n-2)180°, where n is the number of sides.

Also sum of all the exterior angles of any polygon is 360°

Given (n-2)180° = 3(360°)

=> n-2 = 6

=> n = 8.

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Answer:

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Step-by-step explanation:

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2 years ago

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asambeis [7]

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Step-by-step explanation:

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