Arithmetic gradient Study guides, Class notes & Summaries

Edexcel A Level Maths (A+ Graded 100% Verified) Cosine Rule - Know 2 sides, and the angle in between. You want the missing side. ANS: a² = b² + c² - 2bcCosA Cosine Rule - Know 3 sides. You want an angle. ANS: Cos A = (b² + c² - a²) ÷ 2bc Sine Rule - Know 2 angles and a side. You want the missing side. ANS: (a ÷ SinA) = (b ÷ SinB) = (c ÷ SinC) Sine Rule - Know 2 sides and an angle. You want a missing angle. ANS: (Sin A ÷ a) = (Sin B ÷ b) = (Sin C ÷ c) Midpoint of a...

Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation process ensures that the mark scheme covers the students’ responses to questions and that every associate understands and applies it in the same correct way. As p...

AQA A LEVEL BIOLOGY Paper 1 MS 2021 A-level BIOLOGY 7402/1 Paper 1 Mark scheme June 2021 Version: 1.0 Final Mark scheme instructions to examiners 1. General The mark scheme for each question shows: • the marks available for each part based on the question • the total marks available for the question • the typical answer or answers which are expected • extra information to help the examiner make his or her judgement and help to delineate what is acceptable or not worthy ba...

AQA A LEVEL BIOLOGY Paper 1 MS 2021 A-level BIOLOGY 7402/1 Paper 1 Mark scheme June 2021 Version: 1.0 Final Mark scheme instructions to examiners 1. General The mark scheme for each question shows: • the marks available for each part based on the question • the total marks available for the question • the typical answer or answers which are expected • extra information to help the examiner make his or her judgement and help to delineate what is acceptable or not worthy ba...

Test Bank for Engineering Economics Financial Decision Making for Engineers Canadian 6th edition TEST Bank Engineering Economics 6 th Edition Niall M. Fraser Elizabeth M. Jewkes Mehrdad Pirnia Engineering Economics, 6e (Fraser/Pirnia) Chapter 1 Engineering Decision Making 1.1 Multiple Choice Questions 1) Evaluation of an engineering project involves the following constraints A) financial, environmental, social and political constraints. B) technical and financial constraints. C...

Test Bank for Engineering Economics Financial Decision Making for Engineers Canadian 6th edition TEST Bank Engineering Economics 6 th Edition Niall M. Fraser Elizabeth M. Jewkes Mehrdad Pirnia Engineering Economics, 6e (Fraser/Pirnia) Chapter 1 Engineering Decision Making 1.1 Multiple Choice Questions 1) Evaluation of an engineering project involves the following constraints A) financial, environmental, social and political constraints. B) technical and financial constraints. C...

AQA A LEVEL BIOLOGY Paper 1 MS 2021 A-level BIOLOGY 7402/1 Paper 1 Mark scheme June 2021 Version: 1.0 Final Mark scheme instructions to examiners 1. General The mark scheme for each question shows: • the marks available for each part based on the question • the total marks available for the question • the typical answer or answers which are expected • extra information to help the examiner make his or her judgement and help to delineate what is acceptable or not worthy based ...

Pearson Edexcel Mark Scheme (Results) Summer 2022 Pearson Edexcel GCSE (9 - l) In Mathematics (1 MA 1) Higher (Calculator) Paper 3H Mark Scheme (Results) Summer 2022 Pearson Edexcel GCSE (9 – 1) In Mathematics (1MA1) Higher (Calculator) Paper 3H Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for ...

Pearson Edexcel International GCSE   P69196A ©2022 Pearson Education Ltd. L:1/1/1/1/ *P69196A0228* 2  International GCSE Mathematics Formulae sheet – Higher Tier Arithmetic series Sum to n terms, Sn = n 2 [2a + (n – 1)d] Area of trapezium = 1 2 (a + b)h b a h The quadratic equation The solutions of ax2 + bx + c = 0 where a ¹ 0 are given by: x b b ac a = − ± − 2 4 2 Trigonometry A B C b a c In any triangle ABC Sine Rule a A b B ...