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blondinia [14]
3 years ago
7

PLEASE HELP!! Factor completely. (y^2x) - (y^x) - 20

Mathematics
1 answer:
BartSMP [9]3 years ago
4 0
y^{2x} - y^{x} - 20
y^{2x} + 4y^{x} - 5y^{x} - 20
y^{x}(y^{x}) + y^{x}(4) - 5(y^{x}) - 5(4)
y^{x}(y^{x} + 4) - 5(y^{x} + 4)
(y^{x} - 5)(y^{x} + 4)
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Answer:


Step-by-step explanation:

heyq


The correct answer is:


7/10


Explanation:


Finding the totals of each column and row, we find:


There are 3+2+1 = 6 children in the baseball league.

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There are 3+7 = 10 children in the 7-9 division.

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There are 1+1 = 2 children in the 13-15 division.

There are a total of 10+6 = 16 children.


We start with the information that the team is a member of the softball league.  There are 10 children in this league; this is the denominator of the probability.


There are 7 children in the 7-9 division that are in the softball league.  This gives us the probability 7/10.

please you are a student study well especially graph is easy thing to do.


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