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Dima020 [189]
2 years ago
11

PlEASE HELP ILL GIVE OUT BRAINLEIST

Mathematics
1 answer:
lesantik [10]2 years ago
5 0
Try 4 dollars and $.25
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What is the recursive rule for this geometric sequence? 27,  9,  3,  1,  ... Enter your answers in the boxes.
ANEK [815]

Answer:

a_n=a_{n-1}(\frac{1}{3})\\a_1=27

Step-by-step explanation:

A recursive formula is a formula in which each term is based on the previous term.

In a geometric sequence, each term is found by multiplying the previous term by a constant.

To get from 27 to 9, then from 9 to 3, etc., we would multiply by 1/3.  This makes the common ratio 1/3.

The recursive formula for a geometric sequence is

a_n=a_{n-1}(r), where a_n represents the general term,  a_{n-1}, represents the previous term, and r represents the common ratio.

Plugging in our values, we have

a_n=a_{n-1}(r)

We also have to indicate what the first term, a₁, is.  In this sequence, it is 21.  This gives us

a_n=a_{n-1}(\frac{1}{3})\\a_1=27

8 0
3 years ago
Read 2 more answers
What numbers go in the boxes?
oksian1 [2.3K]

For second one

Vertex is (-3,0)

  • Axis of symmetry=x=-3

There is only one x intercepts

  • Only one real root is -3

7 0
2 years ago
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Is this correct??<br>I don't know
Alexandra [31]
In my opinion, ur right
4 0
3 years ago
What is the LCM of 4 and 14
horsena [70]

Answer:

28

Step-by-step explanation:

4x7=28

14x2=28

7 0
3 years ago
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A) Is {a, e,i,o,u} a subset of {a,b,c,d,e,f,g,h,i) <br> Why?<br>​
kozerog [31]

Answer:

No

Step-by-step explanation:

u and o arent elements of {a, b, c, d, e, f, g, h, i}

8 0
3 years ago
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