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Leno4ka [110]
3 years ago
11

Determine whether the geometric series is convergent or divergent. 9 + 8 + 64/9 + 512/81 + ..... If it is convergent, find its s

um?
Mathematics
1 answer:
Westkost [7]3 years ago
3 0

Answer:

Convergent; 81

Step-by-step explanation:

r = term2/term1 = 8/9

8/9 < 1 so convergent

Sum = 9/(1 - 8/9)

= 9/(1/9) = 81

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Pls help with my maths!!!
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Step-by-step explanation:

\frac{x + 6}{ x}  =  \frac{5}{2}

Then collect like terms

answer is x = 4

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2 years ago
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12) Erica has three more dimes than nickels in her pocket, for a total of $1.50. If x represents the number of
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3

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What is 7 more than five times the number 9 divided by 15??
katrin2010 [14]

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3 years ago
If 3/5 w = 4/3, what is the value of w?
elena55 [62]

Answer:

w=20/9 or w=2 2/9

Step-by-step explanation:

Multiply each side by 5/3. Then reduce the numbers with the greatest common divisor which is 5 do the same with 3. then multiply the fractions and thus the answer of 20/9 you can simplify the improper fraction if you want the answer is still the same. Hope this helps.

5 0
3 years ago
3+6×5+4÷2-7 using the same expression,add parentheses so that the value of the expression is 38​
solmaris [256]

Answer:

3+6×(5+4÷2)-7  

Step-by-step explanation:

To solve the expression use order of operations.

Right now the expression solves to:

3+6×5+4÷2-7                  6* 5 = 30

3 + 30 + 4÷2-7                4 ÷ 2 = 2

3 + 30 + 2 - 7                   Add and subtract left to right.

33 + 2 - 7

35 - 7

28

To make it solve to 38, add parenthesis:

3+6×(5+4÷2)-7                (5+4÷2) = 7

3+6×(7)-7                        6*7 = 42

3 + 42 - 7                        Add and subtract from left to right

45 - 7

38

7 0
3 years ago
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