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1. ### 7. Factor 4a - 4b - ca + cb ?

It's answer b 4a-4b is the same as 4(a-b) ca+ cb is the same as c(a+b) Therefore, 4a-4b-ca+ cb is the same as (a-b)(4-c)

8 Answers · Science & Mathematics · 28/01/2008

2. ### let b between c and d cb =4w-4 bd=2w-8 cd=24?

CB + BD = CD (4w - 4) + (2w - 8) = 24 6w - 12 = 24 6w = 36 w = 6

3 Answers · Science & Mathematics · 20/03/2012

3. ### Segments AB and CB are tangents to Circle O...?

AB = CB => 4x+8 = 7x-13 => 21 = 3x => x = 7 AB = CB = 4*7+8 = 36 Perimeter = 2*36+8 = 80 units

3 Answers · Science & Mathematics · 26/05/2010

4. ### Simplify: -3a^8 * cb ^-3 * b^12 * 9c^5?

-3a^8 * cb ^-3 * b^12 * 9c^5 = -3 . a^8 . c . b^-3 . b^12 . 9 . c^5 = -3 . 9 . a^8 . b^-3 . b^12 . c . c^5 = -27 . a^8 . b^(12 - 3) . c^(5 + 1) = -27 a^8 b^9 c^6 answer B

1 Answers · Science & Mathematics · 08/07/2010

5. ### if s=ch+ cb what is s when c+5 h+2 and b=4?

Still not enough to solve, but closer.... s=ch+ cb what is s when c+5 h+2 and b=4 s = c(h + b)..........now substituting...

1 Answers · Science & Mathematics · 12/07/2012

6. ### what are the rules in how to locate points given the ratio?

Presumably you mean to write AC/ CB = 7/5 since distances are always positive. Let's assume...

2 Answers · Science & Mathematics · 25/04/2007

7. ### The parallel sides of a trapezium are 10 cm and 20 cm respectively. AD = 6 cm and CB =8 cm. Find the area of the trapezium ?

... not exactly clear about those point labels. I suppose AD and CB must be legs of that same trapezium. I will also suppose AB and...

3 Answers · Science & Mathematics · 03/08/2020

8. ### If B is on ray AC but not between A and C, then AC=AB- CB ?

If you rearrange it, they have to be collinear. AC = AB - CB AC + CB = AB If they aren't collinear, then the three...

3 Answers · Science & Mathematics · 25/10/2008

9. ### find alltriples(a,b,c) such that a<_b_<c and a+b+c+ab+ cb +ac=abc+1?

a+b+ c+ab+ cb +ac = abc + 1 or a+b+c - abc = 1- ab- cb -ac or (a+b+c - abc)/(1-ab-bc-ac) = 1...

4 Answers · Science & Mathematics · 09/11/2006

10. ### Prove that CP x CB = CD x CQ?

... CAQ & CAD are similar. 2. AC^2 = CP x CB you proved. same way you can prove AC^2 = CQ x CD 3...

1 Answers · Science & Mathematics · 09/12/2014