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Natasha2012 [34]
2 years ago
14

How would this series be written in sigma notation?2 - 3 + 4 -5 +... - (2n+1)?​

Mathematics
1 answer:
Yakvenalex [24]2 years ago
8 0

Answer:

i dont know i need points

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Which number belongs to the solution set of the equation below?
ollegr [7]
The correct answer would be: C. 44
Explanation: If you're trying to find out x's value, you have to do the inverse operation which means if it's subtraction, you add. So to find x's value, you'd add 36 + 8 = x. And 36 + 8 = 44. So therefore, x = 44. That means the answer is C.
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8. While solving the equation log,(8x) – log,(x2 - 1) = log, 3, Karla found possible solutions at x=3
TiliK225 [7]

The possible solution to the equation given is 3 and -1/3

<h3>Laws of logarithm</h3>

Given the logarithmic expression given as:

log,(8x) – log,(x^2 - 1) = log, 3

Applying the product and quotient rule will give:

log(8x/x^2-1) = log3

8x/x^2-1 = 3

Cross multiply

8x = 3x^2 - 3

3x^2 - 8x - 3 = 0

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3x(x-3)+1(x-3)

x - 3 = 0 and 3x = -1

x = 3 and -1/3

Hence the possible solution to the equation given is 3 and -1/3

Learn more on logarithm here: brainly.com/question/25710806

3 0
2 years ago
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Like fractions are fractions that show different numbers but have the same value. eg.1/2, 3/6, 10/20, 32/64 all have the same value, half. 
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