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Naily [24]
3 years ago
9

How do you solve x^4-16x^2-720=0

Mathematics
1 answer:
kirill115 [55]3 years ago
7 0

Answer:x

=

6

,

−

6

,

2

i

√

5

,

−

2

i

√

5

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Help me please i need help
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all real numbers

Step-by-step explanation:

domain and range:

all real numbers

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Which number, when placed in the box, will make the equation true?<br> _^2 =square root of 64
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4(n-1)+2 = -23 +7n
liubo4ka [24]

Answer:

<h2><em><u>n</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>7</u></em></h2>

Step-by-step explanation:

4(n-1)+2 = -23 +7n

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=> 23 - 4 + 2 = 7n - 4n

=> 21 = 3n

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=> <em><u>n</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>7</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

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Answer:

x=67

Step-by-step explanation:

Sum of all angles is 180

36+77+x=180

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