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wariber [46]
2 years ago
5

Which sequence is modeled by the graph below? points are (1,3) (2,0.6) (3, 0.12)

Mathematics
2 answers:
Leokris [45]2 years ago
8 0
ANSWER
a_n =3(  \frac{1}{5} ) ^{n - 1}
Step-by-step explanation

The ordered points given to us are
(1,3),(2,0.6),(3,0.12)
The y-coordinates are the terms in the sequence.

We use the y-coordinates to determine the common ratio.

r =  \frac{0.6}{3}  =  \frac{0.12}{0.6}  =  \frac{1}{5}

The first term of the sequence is the first y-coordinate.

a_1 = 3

The nth term of an exponential sequence is given by,



a_n =a_1  \times r  ^{n - 1}


We now substitute the above values in to the general formula to obtain,


a_n =3(  \frac{1}{5} ) ^{n - 1}
Lina20 [59]2 years ago
5 0
A) works for all three sets of ordered pairs. 
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Help meeeeeee pleasee
k0ka [10]

Answer:

12x6=42 sorry if im wrong

Step-by-step explanation:

8 0
2 years ago
Jason had $32. He spent all the money on buying 4 CDs for $x each and 2 magazines for $y each. If Jason had bought 5 CDs and 2 m
Leni [432]
You can set up two equations from the information given. I will set them up for you:

32 = 4x + 2y
36 = 5x + 2y

Let's solve the first equation to come up with a value for y.

32 = 4x + 2y
32 - 4x = 2y
16 - 2x = y

Now we plug y into the other equation.

36 = 5x + 2(16-2x)
36 = 5x + 32 - 4x
4 = x

Now we have our real x value and we can plug it into the first equation.

32 = 4(4) + 2y
32 = 16 + 2y
16 = 2y
8 = y

Since x = 4 and y = 8, you get the final coordinates of (4,8).

Your answer is the second statement provided above.
3 0
2 years ago
10 points...............
Alisiya [41]
I think the one that's gray that's the correct answer.Hope this helps! ;)
7 0
2 years ago
Read 2 more answers
The polynomial x3 + 64 is an example of a
liubo4ka [24]

Because the value of x is raised to the power of 3, x^3 is a cubed number.

and 64 is 4^3

This makes the polynomial a sum of cubes.

6 0
3 years ago
10 points! please help. also, if you get this right, and the next 6 questions i keep highering the points
wlad13 [49]
I think
Dbc means triangle or some type of shape):
3 0
3 years ago
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