Mathematics, 11.02.2021 14:00, 0Brittany0

Three of the angles of a quadrilateral are 1200, 480 and 920. What is the size of the 4th angle?

If the relative frequency of getting a ‘six’ on a dice is 0.2, how many sixes would you expect to get in 200 throws of the dice?

Work out the value of: 3x + 2y
When x = 5 and y = -4

plz number the answers so i know which one is which
need them in 15 mins plz
crown for right answers

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Three of the angles of a quadrilateral are 1200, 480 and 920. What is the size of the 4th angle?