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EleoNora [17]
2 years ago
12

Solve for x in the equation x2-12x+59=0.

Mathematics
2 answers:
laila [671]2 years ago
5 0

\frac{-b+-\sqrt{b^2-4ac} }{2a}; ax^2+bx+c \\ \\ a=1, b=-12, c=59

Use the formulas above to solve the equation.

1x^2-12x+59=0\\ \\ \frac{-(-12)+-\sqrt{(-12)^2-4(1)(59)} }{2(1)}\\ \\ \frac{12+-\sqrt{144-236} }{2}\\ \\ \frac{12+-\sqrt{-92} }{2}

Now this problem will be giving i values since there's a negative in the square root. These i's are known as imaginary numbers. For the answer it should be these two:

x =(12-\sqrt{-92})/2=6-i\sqrt{23} = 6.0000-4.7958i

x =(12+\sqrt{-92})/2=6+i\sqrt{23} = 6.0000+4.7958i

Let me know if you need help with finding i and all or if you just needed the answer to check your work. Hope this helps!

Svetllana [295]2 years ago
4 0
I think it is -5.9. Sorry if I'm wrong.
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Answer:

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3 0
3 years ago
Four times a​ number, subtracted from four​, is twice the number. Find the number.
abruzzese [7]

Answer:

\frac{2}{3}

Step-by-step explanation:

let the number be n , then

4 - 4n = 2n ( add 4n to both sides )

4 = 6n ( divide both sides by 6 )

\frac{4}{6} = n

The number is \frac{2}{3}

7 0
2 years ago
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At a coffee shop, the first 100 customers'<br> orders were as follows.
iris [78.8K]

Answer:

0.2 i think

Step-by-step explanation:

4 0
3 years ago
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For what value or values of b is it true that |b| = -b
snow_tiger [21]

Answer:

b =0

Step-by-step explanation:

The only value where  |b| = -b  is when b=0

|0| = -0

0 = 0

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non-negative = negative

This is only true when we equal zero

3 0
3 years ago
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6r + 7 = 13 + 7r what is r
kumpel [21]

Answer:

6r+7=13+7r

6r+7=7r+13

6r+7−7r=7r+13−7r

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r=−6

Step-by-step explanation:

:) This is the answer

6 0
2 years ago
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