Mathematics, 14.02.2022 03:40 lilquongohard
In an objective test containing 50 questions, a student is to be awarded + 3 marks for every correct answer, 2 for every incorrect answers 0 for not supplying any answers. If Samir had 30 correct answer 5 questions were left to supply any answer. Find the marks secured by him in this test. (Ans:60) (Please help to solve this word problem step by step)
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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.
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Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.
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