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If 50% of the total number of students in the class are male, that means that 50 out of every 100 students are male. If there are 500 students, then 250 of them are male. Example 2. An increase of $0.15 on a price of $2.50 is an increase by a fraction of 0.15 / 2.50 = 0.06. Expressed as a percentage, this is a 6% increase.
Dunbar's number. Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships—relationships in which an individual knows who each person is and how each person relates to every other person. [1] [2]
The golden ratio's negative −φ and reciprocal φ−1 are the two roots of the quadratic polynomial x2 + x − 1. The golden ratio is also an algebraic number and even an algebraic integer. It has minimal polynomial. This quadratic polynomial has two roots, and. The golden ratio is also closely related to the polynomial.
China became the world's largest new car market in 2009. Countries and territories listed by the number of road motor vehicles per 1,000 inhabitants are as follows. Motor vehicles include cars, vans, buses, freight, and other trucks, but exclude two-wheelers. Country or territory. Motor vehicles.
In March 2015, for the first time in the US the number of mobile-only adult internet users exceeded the number of desktop-only internet users with 11.6% of the digital population only using mobile compared to 10.6% only using desktop; this also means the majority, 78%, use both desktop and mobile to access the internet.
Median income. The median income is the income amount that divides a population into two equally-sized groups, half having an income above that amount, and half having an income below that amount. It may differ from the mean (or average) income. Both of these are ways of understanding income distribution .
In mathematics. 50 as the sum of two non-zero squares. Fifty is the smallest number that is the sum of two non-zero square numbers in two distinct ways: 50 = 1 2 + 7 2 = 5 2 + 5 2 (see image). [1] It is also the sum of three squares, 50 = 3 2 + 4 2 + 5 2, and the sum of four squares, 50 = 6 2 + 3 2 + 2 2 + 1 2. It is a Harshad number.
Top left: The Quebec City–Windsor Corridor is the most densely inhabited and heavily industrialized region accounting for nearly 50 percent of the total population. Canada ranks 37th by population among countries of the world, comprising about 0.5% of the world's total, with more than 40 million Canadians as of 2024.
The rich natural resources contributed to the rapid economic expansion of the nineteenth century. Ample land allowed the number of farmers to keep growing; but activity in manufacturing, services, transportation, and other sectors grew much faster, so that by 1860 the population was only about 50 percent rural, down from over 80 percent.
The US. In the United States, poverty has both social and political implications. In 2020, there were 37.2 million people in poverty. [1] Some of the many causes include income inequality, [needs update] [2] inflation, unemployment, debt traps and poor education. [needs update] [3] The majority of adults living in poverty are employed and have ...