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Romashka [77]
3 years ago
13

Find the sum of the first 7 terms of the

Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer:

20078/243

Step-by-step explanation:

sn = a1-a1r^n/1-r

sn = a1 * 1-r^n/1-r

s7 = 6 * 1 - (-5/3)^7/1-(-5/3)

s7 = 6 * 10039/729

s7 = 6 * 10039/243*3

s7 = 2 * 10039/243

s7 = 20078/243

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3800

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3 years ago
20% of the people in a village own a dog, 30% own goats and 40% own cattle, 5% own both a dog and goats, 4% own both a dog and c
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37 %

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3 years ago
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Answer:

7- B,A,C

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I hope this helps!

8 0
3 years ago
The product of a non-zero rational number and an irrational number can always be written as A.a fraction. B.a terminating decima
a_sh-v [17]
The product of a non-zero rational number and an irrational number is irrational.
Therefore C is the answer.
A, B, and D are all properties of rational numbers. Irrational numbers are ones that can not be written as a ratio, or fraction, using whole numbers. They are non-repeating, non-terminating numbers. Example would be pi.
6 0
3 years ago
Read 2 more answers
What is the solution to -2(8x – 4) &lt; 2x + 5?<br>він<br>x x<br>оооо<br>x x<br>заще<br>х: 6<br>о​
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