The sum of the first n natural numbers is 1/2n(n
+ 1). If the sum is
78, find the value of n....
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.
Answers: 2
Mathematics, 21.06.2019 13:30
Suppose a triangle has two sides of length 32 and 35, and that the angle between these two sides is 120°. which equation should you solve to find the length of the third side of the triangle?
Answers: 1
Mathematics, 21.06.2019 14:00
Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?
Answers: 1
Mathematics, 21.06.2019 20:30
Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.
Answers: 3
Mathematics, 23.05.2020 04:59
Mathematics, 23.05.2020 04:59
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Mathematics, 23.05.2020 04:59
Mathematics, 23.05.2020 04:59
Mathematics, 23.05.2020 04:59
Mathematics, 23.05.2020 04:59
Mathematics, 23.05.2020 04:59