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  2. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  3. These earbuds are on sale for Mother’s Day - AOL

    www.aol.com/news/earbuds-sale-mother-day...

    TL;DR: Through May 2, you can save 20% on Raycon earbuds or speakers by using the Mother's Day promo code LOVING at checkout.Mother’s Day is around the corner, and in the realm of tech, earbuds ...

  4. Schools are bracing for widespread teacher layoffs. Here’s why

    www.aol.com/schools-bracing-widespread-teacher...

    Schools across the country are announcing teacher and staff layoffs as districts brace for the end of a pandemic aid package that delivered the largest one-time federal investment in K-12 education.

  5. Precision and recall - Wikipedia

    en.wikipedia.org/wiki/Precision_and_recall

    Introduction. In a classification task, the precision for a class is the number of true positives (i.e. the number of items correctly labelled as belonging to the positive class) divided by the total number of elements labelled as belonging to the positive class (i.e. the sum of true positives and false positives, which are items incorrectly labelled as belonging to the class).

  6. Fukushima nuclear accident - Wikipedia

    en.wikipedia.org/wiki/Fukushima_nuclear_accident

    Of an estimated 2,220 patients and elderly who resided within hospitals and nursing homes within the 20 km evacuation zone, 51 fatalities are attributed to the evacuation. There was one suspected death due to radiation, as one person died 4 years later of a lung cancer possibly triggered by it.

  7. Coupon (finance) - Wikipedia

    en.wikipedia.org/wiki/Coupon_(finance)

    In finance, a coupon is the interest payment received by a bondholder from the date of issuance until the date of maturity of a bond . Coupons are normally described in terms of the "coupon rate", which is calculated by adding the sum of coupons paid per year and dividing it by the bond's face value. For example, if a bond has a face value of ...

  8. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz ). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. To prevent interference between different users, the generation and transmission of radio ...

  9. Joanna Gaines' Target line is up to 20% off! Refresh your ...

    www.aol.com/lifestyle/joanna-gaines-target-line...

    That's exactly what I plan to do this weekend because select Hearth & Hand with Magnolia items are currently 20% off for Target Circle members, now through May 12. ... you free and fast shipping ...