All Questions ⁺⁰230906 Questions

0

629

1

Math help thnx

Guest May 20, 2019

0

751

4

+1124

Roots of quadratic equation

Hi all,

The roots of a quadratic equation are:
read more ..

juriemagic May 20, 2019

0

709

6

+1124

Hi good people,

Hi good people,

I did try this sum, but it becomes terribly horrible at some stage, and I just gave up...it says to calculate x and y if:
read more ..

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juriemagic May 20, 2019

+1

866

2

+170

Help

Compute the number if and are non-zero numbers satisfying

FlyEaglesFly May 20, 2019

0

2585

3

Mechanics questions... Help!! [Topic in question: Connected particles]

My niece is struggling with some mechanics questions, but the last time I formally studied maths was many years ago! If anyone could help me understand any of the questions with working out as well as explanations, that would be great!
(Please read more ..

Guest May 20, 2019

0

604

1

Confusing System of equations

Solve the following where and are parameters/(not variables).

Guest May 20, 2019

0

912

8

help please

In the sequence:
each term (starting from the third term) is the product of the two terms before it. For example, the seventh term is 256, which is the product of the fifth term (8) and the sixth term (32).
This sequence can be read more ..

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Guest May 20, 2019

0

2

2071

2

What is the probability that a randomly selected three-digit number is divisible by 11?

What is the probability that a randomly selected three-digit number is divisible by 11? Express your answer as a common fraction.

Guest May 20, 2019

0

845

3

Debate team probs

One member of the debate team is going to be chosen President. Each member is equally likely to be chosen. The probability that a girl is chosen is 2/3 the probability that a boy is chosen. If the debate team has 20 people, how many girls are there? read more ..

Guest May 20, 2019

May 19, 2019

-5

553

0

+71

Mathrules May 19, 2019

+1

759

2

+158

Please Help

Given that and , find .

Havingfun May 19, 2019

-2

692

1

+71

I need help

If P(x) is the product of a linear polynomial and a cubic polynomial, how many roots does P(x) = 0 have?Explain

Mathrules May 19, 2019

-2

697

1

+71

please help

explain why a polynomial equation with real coefficients and root 1-i must be of degree two or greater

Mathrules May 19, 2019

0

1186

1

HELP!!

In the figure, triangles ABC and BCD are equilateral triangles. What is the value of AD/BC when expressed in simplest radical form?
read more ..

Guest May 19, 2019

0

765

1

+66

Please help!

I have to do this, how would I even start, and how would I do other questions like this?

KaylaDoodlez May 19, 2019

-2

756

2

+71

please help

What are the Holes of the following functions
1. f(x) = (x2 - 3x + 2)(x - 3) / (x - 1)(x2 - 5x + 6)
2. f(x) = (x2 - 9)(3x + 2) / (x2 - 4)(x - 3)

Mathrules May 19, 2019

0

465

1

Help appreciated

Consider the vectors v = < 1 , 3 > w = < 3 , 2 >, and x = < 1 , 0 >. If the vectors v, w and x are linearly independent, answer with 0. If they aren't, find coefficients a,b and c, not all 0, read more ..

Guest May 19, 2019

0

3214

6

+41

Norman Windows

A Norman window is a window with a semi-circle on top of regular rectangular window. (See the link.) What should be the dimensions of the rectangular part of a Norman window to allow in as much light as possible, if there are only 12 ft of read more ..

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DungeyDabs May 19, 2019

-1

1038

5

+128

Help

1. A group of nine people is be split into three teams, so that one team has four people, one team has three people, and one team has two people. How many ways can this be done?

2. Find the coefficient of x^2 in the expansion read more ..

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Saketh May 19, 2019

0

1250

1

help

Rationalize the denominator of \frac{1+\sqrt{3}}{1-\sqrt{3}}. When you write your answer in the form $A+B\sqrt{C}$, where $A$, $B$, and $C$ are integers, what is $ABC$?

Guest May 19, 2019

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