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Alenkinab [10]
3 years ago
15

Which question is statistical?

Mathematics
1 answer:
pickupchik [31]3 years ago
6 0
The last three, I believe, are statistical.
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Can someone help idk if this is right
navik [9.2K]

Answer:

a_n=-3 \cdot a_{n-1}

a_1=2

You gave the explicit form.

Step-by-step explanation:

You gave the explicit form.

The recursive form is giving you a term in terms of previous terms of the sequence.

So the recursive form of a geometric sequence is a_n=r \cdot a_{n-1} and they also give a term of the sequence; like first term is such and such number. All this says is to get a term in the sequence you just multiply previous term by the common ratio.

r is the common ratio and can found by choosing a term and dividing by the term that is right before it.

So here r=-3 since all of these say that it does:

-54/18

18/-6

-6/2

If these quotients didn't match, then it wouldn't be geometric.

Anyways the recursive form for this geometric sequence is

a_n=-3 \cdot a_{n-1}

a_1=2

5 0
3 years ago
What is a verbal expression for 15+ r
frosja888 [35]
The sum of 15 and r.
Sum is the term used in verbal addition problems. 
This is an expression therefore, you do not state what it equals. We no this because there is no equals sign.

5 0
3 years ago
How many terms are there in 2x+8-7y3
Evgen [1.6K]
There are 3 terms in this expression. You can determine this answer by knowing that terms are either a single number or variable or numbers and variables multiplied together. Here's a picture example below:
Hope it helps! Mark as brainliest!

4 0
3 years ago
Read 2 more answers
Can someone please help me with the assignment, I'm almost finish!
nignag [31]

Answer:

The answer is the 2nd box down, 20x⁷

7 0
3 years ago
Read 2 more answers
Find the value of x for which ABCD must be a parallelograms
xxMikexx [17]

Answer:

Step-by-step explanation:

In a parallelogram, the diagonals bisect each other.

4x - 5 = 3x

4x -3x = 5

       x = 5

4 0
3 years ago
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