Mathematics, 24.01.2022 23:40 samiksaRS
a boy is building a pyramid out of building blocks. he put 20 blocks in the first row, then he puts 19 blocks in the row above, and so on. find the total number of blocks he needs. find the total number of blocks he need
Answers: 1
Mathematics, 21.06.2019 17:00, softball2895
The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)
Answers: 1
a boy is building a pyramid out of building blocks. he put 20 blocks in the first row, then he puts...
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