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clamin
 one year ago
The 99th pyramidal number is 328,350. That would make quite a stack of basketballs! What number must you add to 328,350 to get the 100th pyramidal number?
a. 100
b. 328,350
c. 10,000
d. 55
e. 1000
clamin
 one year ago
The 99th pyramidal number is 328,350. That would make quite a stack of basketballs! What number must you add to 328,350 to get the 100th pyramidal number? a. 100 b. 328,350 c. 10,000 d. 55 e. 1000

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FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2What have you tried?

clamin
 one year ago
Best ResponseYou've already chosen the best response.0Im actually confuse of this question because theres no number of 100th

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2Well, you have a formula to calculate pyramidal numbers right?

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2ok, let's start with, what is a pyramidal number?

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2no, my bad, I mean, what is the definition of a pyramidal number?

clamin
 one year ago
Best ResponseYou've already chosen the best response.0Pyramidal sequence isna sequence of numbers that are the sum of perfect squares.

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2ok, that is a version. check out this one, specifically look at the picture to get an understanding of the concept in 3D http://mathworld.wolfram.com/SquarePyramidalNumber.html

clamin
 one year ago
Best ResponseYou've already chosen the best response.0I cant open it I thibk its becuase im only using my phone

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2ok, well if you can, google "wolfram square pyramidal number"

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2it will make a lot more sense if you can visualize this concept

inkyvoyd
 one year ago
Best ResponseYou've already chosen the best response.1hint: pyramidal numbers are formed by adding consecutive perfect squares. as in 1+4+9+16+25+36+... That should be enough to get you to the answer.

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2maybe take a look at one of the other questions on this you posted before for the sequence

FibonacciChick666
 one year ago
Best ResponseYou've already chosen the best response.2and yes. 100^2

inkyvoyd
 one year ago
Best ResponseYou've already chosen the best response.11+4+9+16+25+36+... \(1+2^2+3^2+4^2+5^2+6^2+...+99^2+100^2\)
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