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xxTIMURxx [149]
3 years ago
13

Hey, can yall help me with this question?

Mathematics
1 answer:
RSB [31]3 years ago
4 0

SIR YOUR ANSWER IS B. I K FO SHO. THANK YOU. HOPE THIS HELPS. MIND MARKING BRAINLIEST AGAIN? XD THANKS

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Enter a recursive rule for the geometric sequence. 6, −18, 54, −162, ...
svlad2 [7]

Answer:

The required recursive formula is:

a_n=(-3)\times a_{n-1}

Step-by-step explanation:

We are given a geometric sequence as:

6,-18,54,-162,.....

Clearly after looking at different terms of the sequence we could observe that the sequence is an geometric progression (G.P.) with common ratio= -3 denoted by r.

Let a_n represents the nth term of the sequence.

This means that:

a_1=6, a_2=-18, a_3=54, a_4=-162,......

As the common ratio is -3.

so,

a_1=6\\\\a_2=-18=(-3)\times a_1\\\\a_3=54=(-3)\times a_2\\\\.\\.\\.\\.\\.\\.\\.\\.\\.a_n=(-3)\times a_{n-1}

Hence, the required recursive formula for the geometric sequence is:

a_n=(-3)\times a_{n-1}

5 0
3 years ago
What percent of 2.5 is 0.2. Please helllllp. My whole family is trying to figure out this darn problem!
emmasim [6.3K]

Answer: 8

Step-by-step explanation: hope this helps

7 0
2 years ago
What is 0.37 divided to5.18
erik [133]
.37 divided to 5.18 = 14


First you move the decimals of .37 to the right and add two zeros since u moved to places to the right. Then 37 can go into 51800 14 times
3 0
3 years ago
Anyone know how to find the length of x using the 30,60,90 method?
QveST [7]

9514 1404 393

Answer:

  2√5

Step-by-step explanation:

The side ratios in a 30-60-90 triangle are ...

  1 : √3 : 2

The longest side (x) is 2 times the length of the shortest side (√5), so ...

  x = 2√5

6 0
3 years ago
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In tide pool there are 26 spotted fish and 12 plain fish what is the ratio of spotted fish to plain fish
Mashcka [7]

Answer: 26/12

Step-by-step explanation:

26 goes on top and 12 on bottom because it says “spotted fish to plain fish” telling you which comes first and which one second

3 0
3 years ago
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