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Anastaziya [24]
3 years ago
11

Question 4 of 5

Mathematics
1 answer:
strojnjashka [21]3 years ago
3 0
The answer is D.3
You would need to set up the pythagorean theorem
a^2+4^2=5^2
next you would have
a^2+16=25
now subtract 16 from both sides and you are left with
a^2=9
now take the square root of both sides
a=3
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Step-by-step explanation:

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In equation form, it will be 9x^2+30x+25 = 0 so we have:

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