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Some services offered by Chegg have been repeatedly documented as being problematic. [49] These services include "homework help" where "Chegg experts" solve homework questions for students. [50] Academic file-sharing [51] [52] also occurs in the form of students posting homework question sheets soliciting answers.
Graphs occur frequently in everyday applications. Examples include biological or social networks, which contain hundreds, thousands and even billions of nodes in some cases (e.g. Facebook or LinkedIn).
Hilbert's problems ranged greatly in topic and precision. Some of them, like the 3rd problem, which was the first to be solved, or the 8th problem (the Riemann hypothesis), which still remains unresolved, were presented precisely enough to enable a clear affirmative or negative answer.
Chegg Tutors was founded in 2011 as InstaEDU and launched into public beta in May 2012. At that time, the company also announced that it had raised $1.1M in venture capital funding from The Social+Capital Partnership. [2] Two of the company's co-founders had previously run an in-home tutoring company called Cardinal Scholars.
Chegg expanded from textbook rental into a portfolio of student services under his leadership, [2] [8] transforming Chegg's digital assets to meet student needs. In June 2024, Rosensweig stepped down as CEO of Chegg, and was succeeded by Nathan Schultz. [11] Rosensweig is a proponent of mentoring, [12] and of workplace equality. [13]
According to the IUCN Red List of Threatened Species, the black crested gibbon is now a Critically Endangered species. It’s unfortunate, considering the gibbon is one of the world’s most ...
Can 3SUM be solved in strongly sub-quadratic time, that is, in time O(n 2−ϵ) for some ϵ>0? Can the edit distance between two strings of length n be computed in strongly sub-quadratic time? (This is only possible if the strong exponential time hypothesis is false.) Can X + Y sorting be done in o(n 2 log n) time?
People with high blood pressure who slept for shorter durations were more likely to show poor cognitive function and increased levels of markers of brain aging and injury, a new study has found.