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Maurinko [17]
4 years ago
5

An irregular polygon has its external angles as 28°,40°,120°,142° and x. Find the value of x

Mathematics
1 answer:
zalisa [80]4 years ago
5 0

Answer:

X=30

Step-by-step explanation:

The whole polygon is 360 degrees so:

360-28-40-120-142=X, which is 30

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Step-by-step explanation:

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6 0
3 years ago
Watch help video
finlep [7]

3√5

The distance between two points on an XY plane is calculated using the distance formula, which is employed in coordinate geometry or Euclidean geometry. The x-coordinate, often known as the abscissa, is a point's separation from the y-axis. The y-coordinate, often known as the ordinate, refers to a point's separation from the x-axis. A point on the x-axis has coordinates of the form (x, 0), and a point on the y-axis has coordinates of the form (0, y). We utilize the Pythagoras theorem in this case to determine the separation between any two points in a plane.

Distance formula = √ ( x₁ - x₂)² + ( y₁ - y₂)²

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To learn more about distance formula, refer to brainly.com/question/7243416

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7 0
2 years ago
Write an exponential function to describe the given sequence of numbers.
andriy [413]

Answer:

  a(n) = 9·6^(n-1)

Step-by-step explanation:

The general term a(n) of a geometric sequence with first term a(1) and common ratio r is given by ...

  a(n) = a(1)·r^(n-1)

Your sequence has first term 9 and common ratio 54/9 = 6, so the function describing it is ...

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5 0
3 years ago
Please help me on this question.
saw5 [17]

Answer:

answer is option D (56)

Step-by-step explanation:

7×8 = 56

6 0
3 years ago
Read 2 more answers
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