Monotone subsequence of an infinite sequence

Does every infinite sequence have a monotone subsequce? Here by "monotone" we may either (non-strictly) increasing or decreading. More precisely, given a sequence (an)n≥1, does there exist a... more

06/08/25

Can you help me get better at drawing?

learn how to draw more realistically with depth and form. Learn how to draw anything!

Can you help me get better at using Procreate?

Learn how to use Procreate on the IPAD. for digital art and design, digital painting, and drawing.

06/08/25

Can you help me improve my skills in Canva?

need to learn how to use Canva for graphic design tasks

Integer square of the form 111...1?

Can an integer of the form 111...1 (there are n digits, with n ≥ 2) be the square of an integer?

06/07/25

Perfect square of the form 111...1?

Can a number of the form 111...1 (n digits, n≥2) be a perfect square?

06/07/25

Solve for x for the following equation: 3(x-2)^2+2(x+1)(x-1)=x^2+4x+11

Step 1:First term:(x-2)^2=x^2-4x+43(x-2)^2=3(x^2-4x+4)=3x^2-12x+12Second term:(x+1)(x-1)=x^2-1 (difference of squares)2(x^2-1)=2x^2-2Left hand side becomes:3x^2-12x+12+2x^2-2=5x^2-12x+10Right hand... more

06/07/25

Slope of the secant line?

Hi sorry if this seems obvious. How does one go about this and what is the formula or steps to find the secant line?If Q is the point __ , find the slope of the secant line PQ (correct to six... more
Aws

06/07/25

Inquiry about AWS policy.

Which policy defines the actions a user is allowed to take in AWS?

Networking inquiry regarding the ping command

What protocol does ping use?

06/07/25

Career Choice In Data

I need help deciding a career field. Between Data Science and Data Egineering

06/07/25

What are good memorization strategies to memorize math formulas?

Small study groupsflashcardscolor code steps to problem one on one tutoring

How do I write a strong college essay?

There are many important elements in a college essay. What should I include to make mine stand out and come across as unique and compelling to admissions officers?

How do I choose the right SSAT or ISEE tutor for my child?

We’re just starting the private school application process, and I’m not sure what to look for in a test prep tutor. How can I tell if someone is experienced with the SSAT or ISEE and the kind of... more

Multiple Unit Balance

Potassium dichromate (K2Cr2O7) is to be recovered from 25 wt % aqueous solution. The solution is joined by a recycle stream and fed to a crystallizer/centrifuge where enough water is removed so... more

06/06/25

Finding the best tutor to help you with your needs as a student

How do you effectively evaluate a tutor's backgrounf? Do you look at academic achievements or do you look at real life endeavors?

Can you solve this? I had 3 apples. I gave 1 to my friend and then bought 5 more. How many apples do I have now?

If math like this feels tricky, I can help make it fun and easy!

How Do I Overcome Writer's Block?

Nearly everyone has struggled at some time with writer's block. Perhaps a person's writing has been harshly criticized in past learning environments, or maybe the challenge of moving from high... more

06/05/25

Why ASL and Deaf Culture are inseparate?

0.6 mol of HCl is added to 1.0 L of a 0.3 M NH3 solution. what are the major species in this reaction?

I am trying to figure out what the chemical formulas are for the species that will act as acids. bases and anything other.

06/05/25

Guess the value of the limit

Guess the value of the limit (if it exists) by evaluating the function at the given numbers.Guess the value of the limit

06/05/25

Use a table of values to estimate the value of the limit

Use a table of values to estimate the value of the limit (correct to three decimal places). If you have a graphing device, use it to confirm your result graphically.

06/05/25

Use a table of values to estimate the value of the limit

Use a table of values to estimate the value of the limit (correct to three decimal places). If you have a graphing device, use it to confirm your result graphically.

06/05/25

Guess the value of the limit (if it exists)

Guess the value of the limit (if it exists) by evaluating the function at the given numbers.Guess the value of the limit (correct to six decimal places), if it exists. (If an answer does not exist,... more

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