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tangare [24]
3 years ago
8

the number line at the right models an addition sentence select all the situations below could be modeled by the addition senten

ce.

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0
The first and last one are correct
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Does anyone know this and if it is extraneous or not?
Anna11 [10]
Addd 4 to both sides
\sqrt{x+9}=5
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
\sqrt{16+9}-4=1
\sqrt{25}-4=1
5-4=1
1=1
true

not extraneous
an extraneous root would be x=-34
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skelet666 [1.2K]

Answer:

hope it helps you thank you

Step-by-step explanation:

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mr_godi [17]

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