subject
Mathematics, 30.01.2021 18:40 jujurocks10

The sum of the first n natural numbers is 1/2n(n + 1). If the sum is
78, find the value of n.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Marie drew the triangle shown. she wants to draw a second triangle that is different from this one. use the drop-down menus below to complete the statements about the second triangle.
Answers: 1
question
Mathematics, 21.06.2019 16:50
The verbal translation for the difference of m and 7 increased by 15
Answers: 3
question
Mathematics, 21.06.2019 18:00
Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?
Answers: 1
question
Mathematics, 21.06.2019 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
You know the right answer?
The sum of the first n natural numbers is 1/2n(n + 1). If the sum is
78, find the value of n....
Questions
question
Mathematics, 11.12.2019 17:31
Questions on the website: 13722363