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amm1812
3 years ago
14

Quadratic formula 4x^2-16=

Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0
Look 4x^2-16 is 0 because 4x^2 is 16 so 16 -16 is 0
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Find the value of x.
RUDIKE [14]

Answer:

80°

Step-by-step explanation:

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=> 100 + x = 180

=> x = 180 - 100

=> <u>x = 80 (Ans)</u>

3 0
3 years ago
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What about this one ?
il63 [147K]
For this case we have the following equation:
 x ^ 2 + 18x + 32 = 0
 Rewriting we have:
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 By completing squares we have:
 x ^ 2 + 18x + (18/2) ^ 2 = -32 + (18/2) ^ 2
 Rewriting:
 x ^ 2 + 18x + (9) ^ 2 = -32 + (9) ^ 2
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 Answer:
 
(x + 9) ^ 2 = 49
 
option 1
6 0
3 years ago
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slamgirl [31]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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Does anyone know how to do this?
BlackZzzverrR [31]

Answer:

the 8 means there will be 8 zeros after it so

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3 0
3 years ago
What information would allow you to identify angle BFA and angle AFE as complementary angles?
timama [110]
Two angles are complementary if they add up to 90 degrees so we would need to know angle BFE is 90 degrees to identify it as complementary.
7 0
3 years ago
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