brinks8440 brinks8440

23-05-2018
Mathematics

contestada

What is the sum of the first 200 positive even integers?

Respuesta :

tramserran tramserran

23-05-2018

2, 4, 6, 8, ................394, 396, 398, 400

Notice the pattern:
sum of first and last number is 402
sum of second and second to the last is 402
sum of third and third to last is 402

How many of these "pairs" are there? (the answer is 100)

Multiply 100 x 402 = 40200

Answer Link

Otras preguntas

Balance the equation for a half-reaction that occurs in acidic solution. Use e− as the symbol for an electron.

One way in which the industrial revolution in great britain in the 18th century and the potato blight in ireland in the 19th century are similar is that they bo

A 24-year-old male has recently returned from a weekend camping trip with friends. He has ulcerative colitis and a history of migraine headaches. He reports a 2

A bartender gives a full mug of beer an initial speed vfull, and the mug stops in front of a patron sitting at the end of the bar. This patron later asks for a

An elongated, cigar-shaped feature deposited by a continental glacier and oriented parallel to the direction of glacial flow is called a __________________.

as healthy people leave an insurance pool, premiums rise, which cause more people to leave the pool and even higher premiums. this describes:

2.9x - 12.3 = 8 gjfjkgjjhgfjgjjhgjhjgf

The division of the autonomic nervous system that is short‐lived and very localized is.

In general, the skeleton of modern homo sapiens is more ____than archaic homo sapiens.

Think of a time when you were leading a group project. What kinds of problems emerged? How did you hanlde them? How might those skills tranfer to managing a res