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Semenov [28]
3 years ago
12

Determine whether the polygon is concave or convex?​

Mathematics
1 answer:
8_murik_8 [283]3 years ago
8 0

Answer: Convex

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Step-by-step explanation  

The difference between convex and concave polygons lies in the measures of their angles. Another way to think of it is this: the diagonals of a convex polygon will all be in the interior of the polygon, whereas certain diagonals of a concave polygon will lie outside the polygon, on its exterior .Also If the interior angles of of the polygon are less than 180 degrees, then the polygon is convex. But if any one of the interior angles is more than 180 degrees, then the polygon is concave. T∴×∴T that was a lot

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1.Which numbers below could be classified as integers? 2.Which number belongs in the shaded portion of the diagram below?
BigorU [14]

Answer:

1). Option (3)

2). Option (D)

Step-by-step explanation:

1). Integers are the numbers which are whole numbers with negative or positive notations.

Integers can't be a fraction or a number with decimal.

Out of the numbers given,

-18 and 4 will be the integers

Option (3) is the correct answer.

2). Shaded portion of the diagram represents the rational numbers excluding integers,

By the definition of the rational numbers, any number which can be written as a fraction is a rational number.

Rational numbers → All numbers given are the rational numbers

Integers → \frac{16}{4}=4, -\frac{30}{5}=6, -\frac{32}{8}=-4

Therefore, only one number \frac{30}{9} will lie in the shaded region.

Option (D) will be the answer.

4 0
4 years ago
Determine the seating capacity of an auditorium with 25 rows of seats if there are 20 seats in the first row, 24 in the second r
omeli [17]
The seats are increasing at a rate of four per row. If you were to write this in an equation, it would be y=4X+20, with 4 as the rate of change, 20 as the original amount of seats, and Y as the total number of seats for X rows. Plug in 25 for X and you'll get an answer of 120 seats.
5 0
4 years ago
Write an equation of the line that passes through (3, 1) and (0, 10).<br> y
const2013 [10]

Answer:

Step-by-step explanation:

(10 - 1)/(0 - 3) = -9/3 = -3

y - 1 = -3(x -3)

y - 1 = -3x + 9

y = -3x + 10

7 0
3 years ago
Six less than twice a number x is 38. What is the value of​
svetlana [45]

Answer:

x = 22

Step-by-step explanation:

The expression "six less than twice a number x" can be written as 2x - 6. So:

2x - 6 = 38

2x = 44

x = 22

Hope that helped! :)

7 0
4 years ago
Please help!!!Water flows through a pipe at a rate of 620 gallons every 5.5 minutes. Express this rate of flow in cups per secon
Bad White [126]

Answer:

112.7

Step-by-step explanation:

\frac{620}{5.5} x divide

8 0
3 years ago
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