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Vaselesa [24]
3 years ago
15

Determine whether the sequence is arithmetic or geometric.

Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0

Answer:

Sequence 1:  arithmetic; Sequence 2:  Geometric

Step-by-step explanation:

An arithmetic sequence is one in which each term is found by adding a constant to the previous term.  In sequence 1, we see that we add -16 to each term to find the next one; that makes this an arithmetic sequence.

A geometric sequence is one in which each term is found by multiplying a constant to the previous term.  In sequence 2, we see that we multiply 0.5 by each term to find the next one; that makes this a geometric sequence.

Elanso [62]3 years ago
5 0
Sequence 1 is arithmetic because it is being subtracted by 16.

Sequence 2 is geometric because it is being divided by 2.

Arithmetic is when you're adding or subtracted and geometric is when you multiplying or dividing.
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scoundrel [369]
5t+5=30
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5 0
3 years ago
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A collection of nickels and quarters is worth 2.85 . There are 3 more nickels than quarters how many nickels and quarters are th
Zolol [24]

A nickel is equal to 5 cents or 0.05 dollars.

A quarter is equal to 25 cents or 0.25 dollars.

Let number of nickels be = n

Let number of quarters be = q

0.05n+0.25q=2.85    ...........(1)

As it is given, there are 3 more nickels than quarters so equation becomes,

n=q+3   ................(2)

Plug in the value of 'n' from (2) in (1)

0.05(q+3)+0.25q=2.85

= 0.05q+0.15+0.25q=2.85

0.30q=2.70

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As n=q+3 we get, n=9+3=12

Hence, there are 12 nickels and 9 quarters.

3 0
3 years ago
Write the number in two other forms
notka56 [123]
..wheres the number....?
8 0
3 years ago
Help!!! Find the center and radius of the circle with the equation (x-4)²+(y+6)²=16
WITCHER [35]

Answer:

Center:  (4,-6)

Radius: 4

Step-by-step explanation:

It is necessary to remember that the Equation of the circle in Center-radius form, is:

(x -h)^2 + (y-k)^2 = r^2

Where the center of the circle is at the point (h, k) and the radius is "r".

Then, given the following equation of the circle:

(x-4)^2+(y+6)^2=16

We can notice that it is written in Center-radius form. Then we can identify that:

h=4\\k=-6

Therefore the center is:

(4,-6)

And the radius is:

r^2=16\\\\r=\sqrt{16}\\\\r=4

5 0
2 years ago
Read 2 more answers
All of the following are true of betas and correlation coefficients EXCEPT: Group of answer choices Both betas and correlation c
fgiga [73]

Answer:

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8 0
2 years ago
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