# Yahoo Web Search

1. ### Combinatorics problems?

...the 7 friends. Peter will always choose John , that's 1 choice. Now there are 7 remaining friends from which the other 4 will be chosen: C(7, 4 ) = 7!/[ 4 !(7...

1 Answers · Science & Mathematics · 03/04/2020

2. ### Find the sum?

The key is cracking it yourself 10-19: 1 , 0, - 1 , -2, -3, - 4 , -5, -6, -7, -8 20-29: 2, 1 , 0, - 1 , -2, -3, - 4 , -5, -6, -7 30-39: 3, 2, 1 , 0, - 1 ...

2 Answers · Science & Mathematics · 18/07/2019

3. ### Math parabola, i need a mental picture of this in order to understand it. Thankq?

... have 4 UFO bases: 1 )moon 2)inside fake mountain Kailash...lake Baikal in Russia 4 )in Atlantis which is underneath... will trick people that he can do mountain moving and resurrection ...

2 Answers · Science & Mathematics · 06/01/2019

4. ### Math Work Problem!?

The three workers do the job in 10/3 days, so they complete 3/10 of the job per day. Two workers complete ⅔ of 3/10 = ⅕ of the job per day.

5 Answers · Science & Mathematics · 27/05/2018

...90 = 70 + ( 98.6 - 70)e^(-kt) 88.3 = 70 + ( 98.6 - 70)e^(-k(t+ 1 )) k ≈ 0.0888 t ≈ 4 .03 hrs which is 4hrs before 2:00am or 10:00pm...son came back to the game room Victim’s son did it. ━━━━━━━━

2 Answers · Science & Mathematics · 11/03/2018

6. ### Need a help in // INTEGRATION // problem....?

...could not find. This should finally do it. ------- First of all, we can...integral as a double integral: ∫(x = 0 to 1 ) (ln( 1 +x²)/( 1 +x)) dx = ∫(x = 0...u = ln( 1 +y) and du = dy/(y+ 1 ) = ( 1 / 4 )(ln²2). (ii) ∫(y = 0 to 1 ) ( 1 ...

5 Answers · Science & Mathematics · 18/01/2018

7. ### What is the measure of one interior angle of a regular polygon with 4n + 2 number of sides?

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3 Answers · Science & Mathematics · 03/03/2018

8. ### Compare (x3 + 2x2 – 6x + 5) – (2x3 + 4x2 – 5x + 10)?

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5 Answers · Science & Mathematics · 03/03/2018

9. ### Graph the curve given below over the given​ interval, together with its tangents at the given values of x. Label each curve and tangent.?

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2 Answers · Science & Mathematics · 10/11/2017

10. ### Can someone explain the answers to these math problems? Any amnt. is appreciated.?

Question 2: John 's using 2 gallons... he's using 1 gallon every 4 days, or 1 / 4 of a gallon... 1 / 4 a portion of milk. DO the same as you did for layer...

3 Answers · Science & Mathematics · 09/09/2017