Trig area rule - Study guides, Study notes & Summaries
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Accuplacer Exam 136 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 19 pages • 2023
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- R209,13
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Accuplacer Exam 136 Questions with Verified Answers 
 
Define - "ordered pairs" - CORRECT ANSWER = (x, y) 
= a single point on a coordinate plane 
 
Define - "origin" - CORRECT ANSWER = (0,0) 
= the point where two axes meet 
 
Explain - "quadrants" - CORRECT ANSWER = when the two axes (x and y) cross they form 4 quadrants 
 
Explain what - "the distance" means 
Define - "distance formula" for a line(s) - CORRECT ANSWER = "distance" - the length between two points on a plane - (x1...
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ACS Gen Chem 1 Exam 89 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 7 pages • 2024
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- R207,31
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ACS Gen Chem 1 Exam 89 Questions with Verified Answers 
 
Extensive Property - CORRECT ANSWER Values that depend on how much you have 
 
Intensive property - CORRECT ANSWER Independent of size sample 
 
Density - CORRECT ANSWER Mass/volume 
 
Homogeneous mixture - CORRECT ANSWER Same throughout, indistinguishable parts 
 
Heterogeneous - CORRECT ANSWER Different parts, distinguishable parts 
 
Diatomic elements - CORRECT ANSWER N2, O2, H2, Cl2, Br2, I2 
 
John dalton - CORRECT ANSWER Founded the...
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1000 MCQ's Dental ADC Waysem Latest Update 2023 Completely Solved
- Exam (elaborations) • 200 pages • 2023
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- R327,44
- 1x sold
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1. For lower premolars, the purpose of inclining the handpiece lingually is to, 
 
A. Avoid buccal pulp horn 
B. Avoid lingual pulp horn 
C. Remove unsupported enamel 
D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn 
 
Explanation 
1- avoid BUCCAL pulp horn 
2- conserve ling. dentine 
 
So take A and B if available 
 
2. For an amalgam restoration of a weakened cusp you should, 
 
A. reduce cusp by 2mm on a flat base for more resistance 
B. reduce cusp by 2mm following the outli...
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Accuplacer Exam 136 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 19 pages • 2023
-
- R209,13
- + learn more
Accuplacer Exam 136 Questions with Verified Answers 
 
Define - "ordered pairs" - CORRECT ANSWER = (x, y) 
= a single point on a coordinate plane 
 
Define - "origin" - CORRECT ANSWER = (0,0) 
= the point where two axes meet 
 
Explain - "quadrants" - CORRECT ANSWER = when the two axes (x and y) cross they form 4 quadrants 
 
Explain what - "the distance" means 
Define - "distance formula" for a line(s) - CORRECT ANSWER = "distance" - the length between two points on a plane - (x1...
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MEI OCR Maths Formulas
- Exam (elaborations) • 2 pages • 2023
- Available in package deal
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- R281,94
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The Circle Formula - ANS-(x - a)² + (y - b)² = r² 
Where (a,b) is the centre and (x,y) is any point on the circle. 
The Discriminant - ANS-b² - 4ac 
Where 0 gives a tangent (repeated root); 
> 0 gives two real roots; 
< 0 gives no real roots; 
d²y/dx² > 0 = minimum point 
SUVAT - ANS-v = u + at 
s = ut + 0.5at² 
v² = u² + 2as 
s = vt - 0.5at² 
s = 0.5t(u + v) 
Product Rule - ANS-dy/dx = u(dv/dx) + v(du/dx) 
Quotient Rule - ANS-dy/dx = (v(du/dx) - u(dv/dx)) / v² 
Where the ori...
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Edexcel A Level Maths – Pure A+ Graded 100% Verified
- Exam (elaborations) • 24 pages • 2024
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- R172,73
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Edexcel A Level Maths – Pure A+ Graded 100% Verified 
 
Natural Numbers ANS: The set of numbers 1, 2, 3, 4, ... Also called counting numbers. 
 
Integers ANS: The set of whole numbers and their opposites 
Z⁺ 
Z⁺₀ 
 
Rational Number ANS: set of all numbers that can be written as a fraction of two integers 
Q 
 
irrational numbers ANS: Numbers that can't be written as a fraction... examples √2 and π 
 
Universal Set ANS: A set that includes all the objects being discussed. 
 
- Ex...
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Excel Final Exam Review 211 Questions with Verified Answers,100% CORRECT
- Exam (elaborations) • 21 pages • 2024
- Available in package deal
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- R236,43
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Excel Final Exam Review 211 Questions with Verified Answers 
 
Which group on the View Ribbon enables a user to show or hide the ruler, gridlines, Formula Bar, or headings? - CORRECT ANSWER B. Show 
 
Which of the following notebook- like features organizes the sheets for use in Excel? - CORRECT ANSWER A. Workbook 
 
Which view enables a user to create or modify a worksheet while seeing how it will look in printed format? - CORRECT ANSWER A. Page Layout 
 
Which of the following would you use to...
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Edexcel Pure Maths Chapter 9|2023 LATEST UPDATE|GUARANTEED SUCCESS
- Exam (elaborations) • 2 pages • 2023
- Available in package deal
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- R300,14
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What's the cosine rule? - correct answer a² = b² + c² - 2bcCosA 
 
cosA=? - correct answer b^2+c^2-a^2/2bc 
 
Sine rule? - correct answer a/sinA = b/sinB = c/sinC ; as well as the inverse 
 
What do you have to watch out for with the sine rule? - correct answer It can sometimes produce 2 possible solutions for a missing angle, θ and 180-θ 
 
Area of a triangle? - correct answer A=1/2absinC 
 
Solving triangle trig problems rules : - correct answer *to find an unknown angle given two sides ...
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Pure Maths A Level Questions and Answers 100% Pass
- Exam (elaborations) • 13 pages • 2023
- Available in package deal
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- R181,83
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Pure Maths A Level Questions and Answers 100% Pass Gradient y2-y1/x2-x1 
Length of a line sqrt((x2-x1)^2+(y2-y1)^2) 
Midpoint (x1+x2/2, y1+y2/2) 
How do you know if two lines are perpendicular? When you multiply the gradients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle 
How do you know if two lines are parallel? The gradients should be the same 
What should you always remember when finding the square roots? T...
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Edexcel A-Level Mathematics - Pure Maths
- Exam (elaborations) • 18 pages • 2023
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- R218,23
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1.	Gradient	y2-y1/x2-x1 2.	Length of a line	sqrt((x2-x1)^2+(y2-y1)^2) 3.	Midpoint	(x1+x2/2, y1+y2/2) 4.	How do you know if two lines are perpendic- ular? When you multiply the gra- dients together they should equal -1. The general rule is perpendicular = -1/m. Or you could use Pythagoras to show there is a right angle 5.	How do you know if two lines are parallel?	The gradients should be the same 6.	What should you always remember when finding the square roots? The answer cou...
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