Answer:
x = +/-10°
Step-by-step explanation:
[2(x+10)]°=
[2x + 20] =
[2x] = [-20]
2x/2 = -20/2
x = -10
(3x - 30)°
3x/3 = 30/3
x = 10
Answer:
The first one is false - see below.
Step-by-step explanation:
The diagonals of the square are also diameters of the circle - True.
The diagonals of the square intersect at the centre of the circle - True.
The diagonals form 4 congruent arcs - True.
To determine the number of tickets that Ric sold, subtract from the total tickets sold the sum of the number of tickets sold by Alex and Ian. This is mathematically shown as,
tickets (Ric) = tickets (total) - (tickets (Alex) + tickets (Ian))
tickets (Ric) = 48 - (11 + 18) = 19
Hence, Ric sold 19 tickets for the fundraising.
It would be positive one. Go up one over four then down one over four.
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