a. 400
c. 375
Mathematics, 04.03.2021 16:30 gennhill14
31. If Snı = 1 + 2 + 3 + + n = 20, then Sn2 = 1^2 +
2^2 + 3^2 + + n^2=
a. 400
c. 375
b. 250
d. 200
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make
Answers: 2
Mathematics, 21.06.2019 17:30
Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression
Answers: 1
Mathematics, 21.06.2019 17:50
Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula
Answers: 2
Mathematics, 21.06.2019 20:30
Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?
Answers: 1
You know the right answer?
31. If Snı = 1 + 2 + 3 + + n = 20, then Sn2 = 1^2 +
2^2 + 3^2 + + n^2=
a. 400
c. 375
a. 400
c. 375
Questions
History, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Arts, 09.11.2020 22:50
Biology, 09.11.2020 22:50
Physics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Mathematics, 09.11.2020 22:50
Physics, 09.11.2020 22:50
