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kkurt [141]
3 years ago
13

What are the solutions of this quadratic equation? x2 − 10x = -34

Mathematics
2 answers:
Gemiola [76]3 years ago
7 0
Here it is, step by step:

x^2 - 10x = -34
x^2 - 10x + 34 = 0
We cannot easily factor anything, so we resort to the quadratic equation. The work is attached as an image.
yKpoI14uk [10]3 years ago
7 0

Answer:

x=5+3i or x=5-3i

Step-by-step explanation:

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Find S5 for a geometric series for which a1=81 and r=1/9.
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ANSWER

S_5=91\frac{10}{81}




EXPLANATION


The sum of the first n terms of a geometric sequence is given by;


S_n=\frac{a_1(1-r^n)}{1-r} ,-1


Where n, is the number of terms and a_1 is the first term.


When n=5, we have a_1=81, we get;


S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}


S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}


S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}




S_5=\frac{7381}{81}


S_5=91\frac{10}{81}




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3 years ago
Will mark brainliest for whoever answers
RSB [31]
The answer is a I believe

I hope this helped :)
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