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  2. Unit distance graph - Wikipedia

    en.wikipedia.org/wiki/Unit_distance_graph

    It is NP-hard—and more specifically, complete for the existential theory of the reals—to test whether a given graph is a (strict or non-strict) unit distance graph in the plane. [34] It is also NP-complete to determine whether a planar unit distance graph has a Hamiltonian cycle, even when the graph's vertices all have known integer ...

  3. 2020 United States presidential election - Wikipedia

    en.wikipedia.org/wiki/2020_United_States...

    The following graph depicts the standing of each candidate in the poll aggregators from September 2019 to November 2020. Former Vice President Joe Biden, the Democratic nominee, had an average polling lead of 7.9 percentage points over incumbent President Donald Trump, the Republican nominee. Biden would win the national popular vote by 4.4 ...

  4. 2021 United States Electoral College vote count - Wikipedia

    en.wikipedia.org/wiki/2021_United_States...

    The results from each state were opened and read one at a time, in alphabetical order. The results of Alabama and Alaska were read without objection. The results of Arizona were then objected to by Paul Gosar and Ted Cruz . Because of the objection, the joint session adjourned at 1:15 p.m. to allow each chamber to debate and vote on the objection.

  5. Vote counting - Wikipedia

    en.wikipedia.org/wiki/Vote_counting

    Number of Ballots Checked Total Staff Time, Minutes Year Sources Overheads Excluded & Notes Searcy Cnty, AR: 8.47: 1: Full batches: Sheets: 1,700: 14,400: 2024 [51] [52] Team size & total errors not given. Hand & machine counts of Early Vote for Wes Bradford matched at 517, but certified results showed 520 and tally sheets showed 518.

  6. 2020 United States presidential election in Pennsylvania

    en.wikipedia.org/wiki/2020_United_States...

    This was due to the large number of votes Biden received from the city of Lancaster and a competitive margin in voting precincts in and around Lititz and Columbia. [11] Despite Biden's victory, Pennsylvania weighed in for this election as 3.3% more Republican than the national average.

  7. Audience response - Wikipedia

    en.wikipedia.org/wiki/Audience_response

    Typically, the results are instantly made available to the participants via a bar graph displayed on the projector or viewed in a web browser for some systems. In situations where tracking is required, the serial number of each remote control or the students identity number is entered beforehand in the control computer's database. In this way ...

  8. United States presidential election - Wikipedia

    en.wikipedia.org/wiki/United_States_presidential...

    The Joint Resolution called for each state to elect, by a simple majority, a presidential candidate of said state. Each state would notify Congress of the presidential election results. Congress would then inscribe the name of every state on uniform balls, equal to the number of said state's members of Congress, and deposit into a box.

  9. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    The svedberg is a time unit used for sedimentation rates (usually of proteins). It is defined as 10 −13 seconds (100 fs). The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The galactic year, based on the rotation of the galaxy and usually measured in million years. [2]