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Annette [7]
3 years ago
6

Alicia wrote these numbers:2,9,15,21.which of Alicia numbers is not a composite number?

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
5 0
2 is a prime number

not composite

Thepotemich [5.8K]3 years ago
4 0
A number can either be composite or prime. The only prime number that you listed here is 2, because the only factors of 2 are 1 and itself. 
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Answer:

Step-by-step explanation:

First you have to find the medians which is when you put the numbers in number order and find the one in the middle.

Class A: 60,65,70,70,75,80,80,85,90,90

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That the class B is more advanced, and they probably studied.

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3 years ago
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astraxan [27]

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Step-by-step explanation:

8 0
2 years ago
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zvonat [6]
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8 0
3 years ago
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Tema [17]
2x + y - (x + y) = 3z - 6z 
--------------------------------------------------------
<span>x = -3z </span>
------------------------------------------

<span>(-3z, 9z) </span>
 ----------------------------------
<span>(x,y,z) = (-3z, 9z, z) 
</span>--------------------------
<span>x = -3z, y = 9z
---------------------
There for the answer is </span><span>(-3z, 9z) </span>
3 0
3 years ago
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1. 15.570-1500= 14070. Yes it is B

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