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Georgia [21]
3 years ago
6

Find the nth term of this number sequence15, 12, 9, 6....​

Mathematics
1 answer:
Ann [662]3 years ago
8 0

Answer:

You only have four terms so n can only be 1, 2, 3 or 4!

I think you mean: What is the nth term of the sequence 15, 12, 9, 6, …?

The ellipsis (…) tells us that the sequence continues.

This is an arithmetic sequence, where the general term is:  a+bn  

n=1:a+b=15  [Eq. 1]

n=2:a+2b=12  [Eq. 2]

Subtracting Eq. 1 from Eq.2:  b=−3  

Substituting this into Eq. 1:  a−3=15⇒a=18

Thus the nth term is:  18−3n

Step-by-step explanation:

HOPE THIS HELPS YOUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU

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8 time slots and 6 interviews 4 are the same meaning 2 are different

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3 years ago
-6x+6y=6<br> -6x+3y=-12<br> How do you solve this problem?
sergij07 [2.7K]

Answer:

That's called system of equations. it is like adding and subtracting.

Step-by-step explanation:

first you want to find x or y. i will choose x. in order to do that you need to put one, ill do the first one but you can do first or second, and change it to negative (-6x+6y=6) or -(-6x+6y=6), changing it to 6x - 6y = -6. then the two x's will be cancled since 6-6 is 0. now you add 6y and 3y, and 6 with -12. get your answer, and do the same thing to y, too. sorry if its a bit confusing, took me a while to learn it too. this is highschool stuff so thats why you will although im im middle too!

3 0
3 years ago
A square kitchen tile has sides that are 7inches long. What is the tiles perimeter
Kamila [148]

Answer: 28 Inches

Step-by-step explanation:

First draw a square for this. Since the kitchen tile is a square, we only need one side of the shape which in this case it 7in. Then you take this number and input it on all sides. You should have 7in on all sides. Next you write this equation: 7+7+7+7 or 7x4. This will then give you the answer 28. So, the perimeter of the kitchen tile is 28 inches.

4 0
3 years ago
What is the 14th term of the sequence?
fomenos

Answer:

  D.  16,384

Step-by-step explanation:

The given sequence (including "6") is neither arithmetic nor geometric. The 14th term cannot be predicted. (It can be anything you like.)

__

Based on the answer choices, we assume the intended sequence is the geometric sequence ...

  2, 4, 8, 16, 32, ...

which has formula ...

  an = 2^n

Then the 14th term is ...

  a14 = 2^14 = 16,384

3 0
3 years ago
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