Mathematics
30.08.2020 00:26
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Poohlobster
4,7(72 marks)
see below (I hope this helps!)
Step-by-step explanation:
41. √20 = √4 * 5 = √4 * √5 = 2√5
43. The sum of interior angles in a triangle is 180°, therefore, x = 180 - (75 + 64) = 41°.
45. 15 + 5(2x - 3) = 15 + 5(2x) + 5(-3) = 15 + 10x - 15 = 10x
47. Complementary angles have a sum of 90°, therefore, x = 90 - 48 = 42°.
bullockarwen
4,9(79 marks)
X=5 because if two numbers like this so a number and a letter are next to each other, you have to times them so 30÷6=5 :)
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