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The general form for a term in an arithmetic sequence is: a(n) = a + b(n - 1) Where "a" is the first term and "b" is the common difference. You are told the first term is 6, so: a(n) = 6 + b(n - 1) You are...

2 Answers · Science & Mathematics · 27/10/2017

(i) Numbers lying between 1 and 100 are 2,3,4,5 .........99 i.e. 98 in all Sum =(98/2)× (2+99)=49×101= 4949 (ii) Multiples of 3 lying between 1 and 100 are 3,6,9,12.........99 i.e. 3×1, 3×2, 3×3, 3×4.............3×33 Hence 33 in all Sum =(33/2)×(3+99) =33...

3 Answers · Science & Mathematics · 27/10/2017

Yes, it's possible. My only question is why are you in such a rush? There is something to be said about learning material too fast... you won't have sufficient time to fully absorb or appreciate all its fine points. BUT...

2 Answers · Science & Mathematics · 26/10/2017

The derivative gives you the value of the slope of the tangent. So just plug the coordinates into the formula for the derivative.

2 Answers · Science & Mathematics · 23/10/2017

... diameter is (a₁, a₂) and (b₁, b₂). 2)

**AP**= (x - a₁)i + (y - a₂)j; AB = (b₁ - a₁)i...2 Answers · Science & Mathematics · 23/10/2017

v₀ ← initial value → after 1 year, the value is: v₁ = v₀ - (depreciation * v₀) = v₀.(1 - depreciation) → after 1 year, the value is: v₂ = v₁ - (depreciation * v₁) = v₁.(1 - depreciation) = v₀.(1 - depreciation)²...

2 Answers · Science & Mathematics · 16/10/2017

This is an arithmetic sequence with a = 10 and d = 4 Sn = n/2( 2a + (n - 1)d) ........formula for sum = n/2[ 2(10) + (n - 1)(4)] = n/2[ 20 + 4n - 4] = n/2[ 4n + 16] = n( 2n + 8) = 2n^2 + 8n Therefore 2n^2 + 8n = 2040 n^2...

4 Answers · Science & Mathematics · 16/10/2017

...calculus of fields; stoke's theorem, divergence theorem etc.). If it's

**AP**calculus, than it's basically the first two (differential and integral) ...2 Answers · Science & Mathematics · 14/10/2017

He calculated the correct z-score (385 is *below* the mean by 0.46 standard deviation so the z-score is -0.46) But he wants to know the probability of being above that score. We know the area to the right of that has to be more than 0.50, so the value he...

1 Answers · Science & Mathematics · 23/09/2017

...algebra and solid geometry. Nowadays they have all that plus pre-calculus and various

**AP**math courses. When I look at the homework papers ...4 Answers · Science & Mathematics · 20/09/2017

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