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A small pyramid has 3 stones at the top and 2 more stones in each
layer below this. If the pyramid has 19 layers, how many stones are in the pyramid?


- Help please ?!

Sagot :

Answer

93

Step-by-step explanation:

raphealnwobi

There are 399 stones in the pyramid of 19 layers if there are 3 stones at the top and 2 more stones in each layer below this

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

A small pyramid has 3 stones at the top and 2 more stones in each layer below this. This can be represented as an arithmetic progression with first term (a) = 3 and difference (d) = 2, hence:

number of stones in 19 layers = [tex]\frac{19}{2}(2(3)+(19-1)2)=399[/tex]

There are 399 stones in the pyramid of 19 layers if there are 3 stones at the top and 2 more stones in each layer below this

Find out more on equation at: https://brainly.com/question/2972832

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