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FrozenT [24]
3 years ago
6

If x^2 − 4x + 4 = 49, then what is x

Mathematics
2 answers:
Lostsunrise [7]3 years ago
8 0

Answer:

x=9  x=-5

Step-by-step explanation:

x² − 4x + 4 = 49

(x-2)²= 49

x-2= 7  or    x-2=-7  

x=9  or    x=-5

nevsk [136]3 years ago
3 0
X=9
1949.89
939594949
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Someone help me, please :)
Natasha2012 [34]
F(x)=4x+1
g(x)=x^2-5
(f . g)(x)=?

(f . g)(x) = f(x) . g(x) = (4x+1).(x^2-5)=(4x).(x^2)+(4x).(-5)+(1).(x^2)+(1).(-5)
(f . g)(x) = 4x^(1+2)-20x+x^2-5
(f . g)(x)=4x^3+x^2-20x-5

Answer: Option A. 4x^3+x^2-20x-5
6 0
4 years ago
X - Y = 2. Wouldn't this be changed to Y= -x + 2 ???
Anni [7]
X - y = 2
Rewriting in terms of y,
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4 0
3 years ago
3/5x3/5 as exponenttt help me
poizon [28]

Answer:

i think it is 3/5 raised (^) to the 2nd

Step-by-step explanation:

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3 0
2 years ago
0 TIME REMAINING 18:27 Melinda takes out a loan to purchase a car. The balance on her loan after x months is represented by the
marishachu [46]

Answer:

x = 10 months

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3 0
3 years ago
Last one, ​please :)
KengaRu [80]

Answer:

m∠X = 29°

m∠V = 61°

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Step-by-step explanation:

∵ ΔXWV is right angle at W

∴ m∠W = 90°

∴ m∠X + m∠V = 180° - 90° = 90°

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∴ m∠X = 2(12) + 5 = 29°

∴ m∠V = 4(12) + 13 = 61°

5 0
3 years ago
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