All Questions

-1

905

+299

Please Help Urgent !!!

deleted

Do your own homework!

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Nerd123 May 25, 2019

492

why are there decimal numbers

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Guest May 25, 2019

965

Help!

Deleted - just one question per post thanks.

3) How many positive integers less than 1000 have at least one digit of 0?

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Guest May 25, 2019

823

Probability Homework Help

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

I know that the divisibility rule for 11 is to take the alternating sum of the digits in the number and see if it's divisible by 11, but read more ..

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Guest May 25, 2019

863

+799

Immediate help needed Please

Help me please on this

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travisio May 25, 2019

811

help appreciated

Let A be a matrix and x be a non-zero vector such that
A x = 2 x.
Then we have that
A^7 x = a x read more ..

Rom ●●

Guest May 25, 2019

1178

+159

Help

Find the ordered pair of real numbers such that the cubic polynomials and have two distinct roots in common.

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Havingfun May 25, 2019

2066

+368

Long Question About Mods

1.Find the inverse of 7 modulo 13 (expressed as a residue between 0 and the modulus
2.Find the inverse of 8 modulo 35 (expressed as a residue between 0 and the modulus)
3.Find the inverse of 3 modulo 100 (expressed as a residue between 0 read more ..

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Badada May 25, 2019

669

Find p-value

how do I find the p-value with this calculator? I watched a youtube video and it said I have to use 2nd distribution and I cannot find that. help please!

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Guest May 25, 2019

1175

Help please??

A proportional relationship is represented by the equation 2x=18y. If y=kx, where k is the constant of proportionality, what is the value of k?

Answers could possibly be 1/9, 1/2, 2, 9 (multiple choice) read more ..

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Guest May 25, 2019

-5

926

+73

Solve the following system of equations:

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GAMEMASTERX40 May 25, 2019

May 24, 2019

-5

979

+73

For each sample, find the sample proportion. Write it as a percent. I'm Real Confused.

For each sample, find the sample proportion. Write it as a percent.

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GAMEMASTERX40 May 24, 2019

1015

+2864

I am not sure if this is right. Exponential Inequalities.

What integer n has the property that is greater than and is less than .

read more ..

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CalculatorUser May 24, 2019

744

Help

A polynomial with integer coefficients is of the form You are told that the integer r is a double root of this polynomial. (In other words, the polynomial is divisible by (x - r)^2.) Enter all the possible values of r, separated by commas. read more ..

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Guest May 24, 2019

1257

help

There are four even integers in the top five rows of Pascal's Triangle. How many even integers are in the top 10 rows of the triangle?

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Guest May 24, 2019

2034

Can I have some help on this question?

The lattice shown is continued for 100 rows. What will be the third number in the 100th row?

Row 1: 1 2 read more ..

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Guest May 24, 2019

965

+160

Cauchy inequality question, please help asap

x, y, and z are all positive real numbers. x+y+z = 1
prove: x^2/(y+2z) + y^2/(z+2x) + z^2/(z+2y) is greater or equal to 1/3
This has to be proved using the Cauchy inequality.
Any help is appreciated!! read more ..

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hearts123 May 24, 2019

1527

Can I have some help on this question?

The first four stellations are represented below. How many dots are in the 20th stellation?

Figure 1: one dot
Figure 2: eight dots read more ..

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Guest May 24, 2019

721

Can I have some help on this question?

Can I have some help on this question?

"The first figure contains 2 dots, the second 6 dots, and the third 12 dots. If the pattern continues, how many dots would the tenth figure contain?"

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Guest May 24, 2019

999

+159

Can Someone Grade This Paper?

I know this isn't a math question but I wrote this MLA Research Paper and if there's anyone who thinks they could give it a shot I would be ever thankful.

If you could circle mistakes/improvements and write some short feedback on read more ..

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JohnyGotchaApples May 24, 2019

915

+115

Exponential functions

What are the values of k such that there is only one x-intercept;
K2x + 2-x = 3

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Drazil May 24, 2019

848

help appreciated

What's the matrix that rotates vectors by pi/6 counterclockwise?

Rom ●●

Guest May 24, 2019

All Questions ⁺⁰237689 Questions

Please Help Urgent !!!

why are there decimal numbers

Help!

Probability Homework Help

Immediate help needed Please

help appreciated

Help

Long Question About Mods

Find p-value

Help please??

Solve the following system of equations:

For each sample, find the sample proportion. Write it as a percent. I'm Real Confused.

I am not sure if this is right. Exponential Inequalities.

Help

help

Can I have some help on this question?

Cauchy inequality question, please help asap

Can I have some help on this question?

Can I have some help on this question?

Can Someone Grade This Paper?

Exponential functions

help appreciated

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