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sasho [114]
3 years ago
13

Please help me i give brainliest

Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

I think

2 ring.... = $6

3ring..... = $9

1rings = 6/2 = 3

Step-by-step explanation:

For ratio you can write

2/6 = 3/9

Answer will be

1/3

Ratio is kinda rate for buying stuff, like comparison too

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Geometric Series assistance
Levart [38]

we have been asked to find the sum of the series

\sum _{n=1}^5\left(\frac{1}{3}\right)^{n-1}

As we know that a geometric series has a constant ratio "r" and it is defined as

r=\frac{a_{n+1}}{a_n}=\frac{\left(\frac{1}{3}\right)^{\left(n+1\right)-1}}{\left(\frac{1}{3}\right)^{n-1}}=\frac{1}{3}

The first term of the series is a_1=\left(\frac{1}{3}\right)^{1-1}=1

Geometric series sum formula is

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

Plugin the values we get

S_5=1\cdot \frac{1-\left(\frac{1}{3}\right)^5}{1-\frac{1}{3}}

On simplification we get

S_5=\frac{121}{81}

Hence the sum of the given series is \frac{121}{81}

5 0
3 years ago
On a piece of paper, graph y=3/4x-3 use the graph to find the x-intercept of the line
den301095 [7]

Answer:

hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello hello

8 0
2 years ago
Read 2 more answers
54x^3 +250y^3<br> in the sum of cubes<br> please helpppp
Slav-nsk [51]

Answer:

What is exactly the question?

4 0
3 years ago
Match each compound inequality to the graph of its solutions on the number line.
Basile [38]
The answers for the exercise shown in the figure attached above, are shown 

 -The Compound inequality for the solution 1 is:
 -2(x+1)≥-4 or 4x-7≥5
 x≥1
 x≥3
 -The Compound inequality for the solution 2 is:
 -6≤2x-8≤-2
 1≤x≤3
 -The Compound inequality for the solution 3 is:
 3x-4≥5 or -5x+17≤12
 x≥3
 x<1
5 0
3 years ago
Help me fast literally fast!!!!
lions [1.4K]
The correct answer is 12. Hope this helps.
8 0
3 years ago
Read 2 more answers
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