The sum of the interior angles, s, in an n-sided polygon can be determined using the formula s=180(n-2), where n is the
number of sides.
using this formula, how many sides does a polygon have if the sum of the interior angles is 1.260°7 round to the nearest
whole number
6 sides
7 sides
8 sides
9 sides

9 sides

Step-by-step explanation:

Given the sum of the interior angles = 1260°, then

180° (n - 2) = 1260 ( divide both sides by 180 )

n - 2 = 7 ( add 2 to both sides ), hence

n = 9

9 sides.

Step-by-step explanation:

1260 = 180(n - 2)    Divide both sides by 180:

7 = n - 2

n = 7 + 2 = 9.

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.

"a" determine whether sage found the correct quotient. show your work

step-by-step explanation: