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shepuryov [24]
2 years ago
6

Using the recursive formula of a geometric sequence, find the first five sequences: An=An-1 • 2

Mathematics
1 answer:
Lelechka [254]2 years ago
6 0
How: substitute the known value of An-1 to compute An. Repeat.

In order to do this, you need to know A0 or A1, which you have not given.

In terms of A1, the first 5 terms are
.. A1 = (needs to be given)
.. A2 = 2*A1
.. A3 = 2*A2 = 2*2*A1 = 4*A1
.. A4 = 2*A3 = 2*4*A1 = 8*A1
.. A5 = 2*A4 = 2*8*A1 = 16*A1

If you know A1, you can find the other 4 terms of the first 5 terms. If you don't know A1, this is the answer.
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Ad libitum [116K]

Step-by-step explanation:

Put the values of x = 6, y = -7 and z = 0.8 to the expressions:

a) 5x → 5(6) = 30

b) 3y → 3(-7) = -21

c) 10z → 10(0.8) = 8

4 0
3 years ago
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Find the equilibrium point for the pair of demand and supply functions. Here q represents the
olya-2409 [2.1K]

The equilibrium point for the pair of demand and supply function is 100

We have been two linear function, one is linear supply function and other is linear demand function.

In general , linear supply function is given as:

                            Qs = x + yP

                       Where , Qs = quantity supplied

                                        x = quantity

                                        P = price

And linear demand function is given is :

                             Qd = x + yP

                      Where , Qs = quantity supplied

                                        x = quantity

                                        P = price

According to the question,

                   Linear supply function is q = 300 + 5x

          And  linear demand function is q = 4800 – 40x

To find the equilibrium point we will put two quantities equal, that is,

                                 Qs = Qd

                      300 + 5x = 4800 – 40x

                        5x + 40x = 4800 – 300

                          45x = 4500

                             x =  100

Hence the equilibrium point is 100

Learn more about equilibrium point here : brainly.com/question/1915798

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4 0
1 year ago
Jennie makes quilts. She can make 7 quilts with 21 yards of material. How many yards of material would be required to make 12 qu
nlexa [21]
\frac{7}{21} = \frac{12}{yards}  \\  \\ 7*yards=21*12 \\  \\ 7yards=252 \\  \\ yards=36
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3 years ago
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True or false? it's not possible to build a triangle with side lengths of 3 3 and 9
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True

The two shorter lengths do not add up to more than the longest length. 3+3 is less than 9. Therefore, even if the two shorter lengths lay on top of the longer side, the two ends cannot meet to form a closed 3 sided figure
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