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The first use of a national emergency telephone number began in the United Kingdom in 1937 using the number 999, which continues to this day. [6] In the United States, the first 911 service was established by the Alabama Telephone Company and the first call was made in Haleyville, Alabama, in 1968 by Alabama Speaker of the House Rankin Fite and answered by U.S. Representative Tom Bevill.
The divisors of a natural number are the natural numbers that divide evenly. Every natural number has both 1 and itself as a divisor. If it has any other divisor, it cannot be prime. This leads to an equivalent definition of prime numbers: they are the numbers with exactly two positive divisors. Those two are 1 and the number itself.
Etsy Inc. is an American e-commerce company with an emphasis on the selling of handmade or vintage items and craft supplies. These items fall under a wide range of categories, including jewelry, bags, clothing, home decor, religious items, furniture, toys, art, as well as craft supplies and tools.
The Beatles topped the chart 17 times during the 1960s, more than any other act that decade Madonna is the most successful female solo artist in the UK, having achieved 13 number one singles Bryan Adams' first number one, "(Everything I Do) I Do It for You", spent 16 consecutive weeks at number one, longer than any other track Westlife were the ...
Shutterfly, LLC. is an American photography, photography products, and image sharing company, headquartered in Redwood City, California.The company is mainly known for custom photo printing services, including books featuring user-provided images, framed pictures, and other objects with custom image prints, including blankets or mobile phone cases. [2]
From October 2021 if an owner of a vehicle wishes to avoid attaching a separate black on white "UK" sticker, it is necessary for the number plates to display "UK" on the left side together with, optionally, a Union flag (but not a national flag of England, Wales or Scotland).
The number e is a mathematical constant approximately equal to 2.71828 that can be characterized in many ways. It is the base of the natural logarithm function. It is the limit of (+ /) as n tends to infinity, an expression that arises in the computation of compound interest.
The Mach number is named after the physicist and philosopher Ernst Mach [3] according to a proposal by the aeronautical engineer Jakob Ackeret in 1929. [4] The word Mach is always capitalized since it derives from a proper name, and since the Mach number is a dimensionless quantity rather than a unit of measure, the number comes after the word Mach; the second Mach number is Mach 2 instead of ...