yasbib555

63 Questions
20 Answers

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774

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probability question 2

Amber, Bella, and Cassey play a game that has 6 rounds. In each round there is one winner, and the outcomes of the rounds are independant. For each round the probability that Amber wins is 50%, and Bella is twice as likely to win as Cassey. What is read more ..

yasbib555 Jan 18, 2019

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834

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Pls help with probability question

Three numbers in the interval [0, 1] are chosen independently and at random. What is the probability that the chosen numbers are the side lengths of a triangle with positive area?

yasbib555 Jan 18, 2019

0

961

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Please help with Diophantine Equations; many thanks!!!

1. Determine the integer solution pairs of the following DE:

2. Determine the positive integer solution (a, b, c) of the following DE
read more ..

yasbib555 Dec 9, 2018

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1115

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pls help ASAP, I appreciate it so much, you don't even know!! tysm <33

1. Given f(x)=3ax^2+2bx+c with a≠0, when 0≤x≤1 |f(x)|≤1, please determine the maximum value of a.

2. Given
- m is the greater root of the equation (1999x)^2-1998x2000x-1=0 read more ..

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yasbib555 Oct 12, 2018

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929

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deleted

yasbib555 Oct 5, 2018

0

858

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tyyy

Given x_1,x_2 are the real roots of x^2-2mx+(m^2+2m+3)=0, please determine the minimum value of (x_1)^2+(x_2)^2.

yasbib555 Oct 5, 2018

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910

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Please thx!

Given quadratic equation x^2+cx+a=0 has two integer roots x_1, x_2; Quadratic Equation x_2+ax+b=0 has two integer roots x_1', x_2'. If x_1-x_1'=x_2-x_2'=1, please determine the value of a+b+c.

yasbib555 Sep 28, 2018

+1

979

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Let equation and (a≠c) have the same root . Please determine this root value using a, b, c, d to represent it.

Let equation and (a≠c) have the same root . Please determine this root value using a, b, c, d to represent it.

yasbib555 Sep 24, 2018

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808

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Quadratic Functions pt. 2

Given two Quadratic Function y_1, and y_2. When x=a (a>0), y_1 reaches its maximum value of 5, and y_2=25; y_2's minimum value is -2. If y_1+y_2=x^2+16x+13. please determine the value of a, and y_1 y_2 expression.

yasbib555 Sep 18, 2018

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890

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Quadratic Functions Question

Given the Quadratic Function f(x)=ax^2+bx+c meets the following conditions f(0)=2; f(1)=-1; its graph intersects the x-axis and cut the segment with a length of 2 sqrt(2), please determine the expression of the Quadratic Function.
read more ..

yasbib555 Sep 18, 2018

+279

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thank you so much too!!!

yasbib555Apr 12, 2019

+279

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thank you so much!!

yasbib555Apr 12, 2019

+279

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I got f(0)=4+sqrt(5)

yasbib555Apr 11, 2019

+279

+1

Thank you but is it possible to show me how you have arrived at that answer?

yasbib555Jan 29, 2019

+279

+2

Another quick way is if you have a calculator/are allowed one, you can see which tan^(-1) corresponds to. For example, mine is yellow and above the "tan" function and so is my shift button. So if I click shift and then the tan button, I can input my value and it will be automatically calculated when I press "=."

yasbib555Jan 26, 2019

+279

+2

__ __ __

There are 7 possibilities (A~G) for the first letter, 7 for the second, and 7 for the third. Multiplying this together, we get 7^3=343 total ways to make a set of 3-letter initials.

yasbib555Jan 26, 2019

+279

+1

ahhh that makes sense thank you!!

yasbib555Jan 26, 2019

+279

+1

thank you so much!!

yasbib555Jan 26, 2019

+279

0

You go into "MY PROFILE" from the top right when you click on your username. From there, you will have your current profile picture on the top left. You can upload a picture from your device there.

yasbib555Jan 18, 2019

+279

+1

1. Is it possible to inform me on how these solutions are so obvious?

2. My bad, I'm sorry, I fixed it though

yasbib555Dec 9, 2018