Answer: Well if you were going to think of a circle you can divide it into 4 equal sizes in one of the is equal to two pentagons and a half. If you add all is equal to a loop full of pentagons [which makes 10 pentagons]. Because the ring is made out of regular pentagons, we can work out that each of the interior angles of each pentagon is 108* degrees. By extending the lines that two pentagons share, assuming they will all meet in the middle, it will create a triangle. As we know each angle of a [regular] pentagon is 108* degrees, we know the two base angles of the triangle would equal to 72** which leaves the top angle to be 36 degrees. As [the sum of] angles at a point is 360 degrees, and 36 is divisible by 360, it will make a complete ring. Also, as 360 ÷ 36 = 10, we know that the ring will be made out of 10 pentagons. as formula to calculate the the size of a interior angle of a polygon is (n×180−360)÷n (for n being the number of sides that the polygon has). because the triangle is made by extending the lines, and angles on a line is 180 degrees, 180−108 (an interior angle of a pentagon) =72.
Plug in - 5 where X is.
f(- 5) = (- 5)^2 - ( - 5).
(- 5)( - 5) = 25 so now we have 25 - (- 5). Because there are two negatives back to back, the number becomes a positive so the equation becomes 25 + 5 = 30.
f(- 5) = 30.
Answer:
B
Step-by-step explanation:
Given the line of best fit
y = - 9.21x + 168.7
Substitute the weight of the pumpkin , that is x = 5, into the equation.
y = - 9.21(5) + 168.7
= - 46.05 + 168.7
= 122.65 ≈ 123 feet ( to the nearest foot )
Answer:
Yes they are rational numbers
Step-by-step explanation:
Answer:
RSP, ZXY
SRP, XZY
RPS, ZYX
Step-by-step explanation:
Obviously, the numbers match each other.
ex. R = 41, Z = 41
Those two have the ability to pair in the same order
