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1. ### Reindex the series to start at k=1?

Hint: Let u = k-9. Then write all as an expression as u. Then let u=k. Show ur steps if need be and we can take it from there.

3 Answers · Science & Mathematics · 13/11/2019

2. ### Derivatives Question?

f(x) = (x^3)e^(-0.01x) The function is of the form f(x) = u(x)v(x) and the derivative is of the form f'(x) = u'v + uv' ...

3 Answers · Science & Mathematics · 13/11/2019

3. ### test hello?

i got it hello welcome to YA u can post questions and answer question

3 Answers · Science & Mathematics · 27/10/2019

4. ### Find the area of the inner loop of the limaçon with polar equation r=7cosθ−2?

...which says = ∫ [ 0 to arccos(2/7) ] ( 49 ( 1 + cos(2u))/2 + 4 - 28cos(u)) du ( I am changing everything back to theta, since it helps...

4 Answers · Science & Mathematics · 24/10/2019

5. ### In a triangle, the angles are u°, v° and w°.?

If v is half of w: v = w/2 and u is the mean of v and w: u = (v + w) / 2 And you...240 w = 80 Now that we have w we can solve for v and u: v + w = 120 v + 80 = 120 v = 40 u = (v + w) / 2 u = (40 + 80...

3 Answers · Science & Mathematics · 25/10/2019

6. ### anyone...?

u = 2 m/s a = 1.5 m/s² t = 6 s v = u + at v = 2 + 1.5×6 Final velocity, v = 11 m/s

3 Answers · Science & Mathematics · 12/10/2019

7. ### rational inequality help?

...¾ or >2. Yielding the interval form:    (-∞; ¾] U (2; +∞) Regards, Dragon.Jade :-)

5 Answers · Science & Mathematics · 09/10/2019

8. ### What is the range of (x-1)/( (x+1)(x+2))?

...6, 5+√6). See the graph below. Ans: Range = (-∞, 5-2√6] U [5+2√6, ∞)

2 Answers · Science & Mathematics · 21/09/2019

9. ### if n(U) = 90, n(A'∩B')=21, n(A'∩B)=18, n(A∩B')=25 Find (A ∩ B) and n(A U B)?

...39;∩B' , so n(A∪B) + n(A'∩B') = n(U) n(A∪B) + 21 = 90 n(A∪B) = 90 - 21 n(A∪...

2 Answers · Science & Mathematics · 17/09/2019

10. ### Math Analysis: CounterExample : show that x+y does not have to be in V_ε(a+b)?

...x) + (b – y)| ≤ |a – x| + |b – y)| . . . . . . . . . . . . . . via the triangle inequality |u+v| ≤ |u| + |v| < ε + ε . . . . . . . . . . . . . . . . . . . . . . .by ...

1 Answers · Science & Mathematics · 18/09/2019