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3 years ago

What is the 2 step equation -1=(5+x)6

Mathematics

1 answer:

fredd [130]3 years ago

8 0

I think thats what you mean hope it helps

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Enter a recursive rule for the geometric sequence. 6, −18, 54, −162, ...

svlad2 [7]

Answer:

The required recursive formula is:

$a_n=(-3)\times a_{n-1}$

Step-by-step explanation:

We are given a geometric sequence as:

6,-18,54,-162,.....

Clearly after looking at different terms of the sequence we could observe that the sequence is an geometric progression (G.P.) with common ratio= -3 denoted by r.

Let $a_n$ represents the nth term of the sequence.

This means that:

$a_1=6, a_2=-18, a_3=54, a_4=-162,......$

As the common ratio is -3.

so,

$a_1=6\\\\a_2=-18=(-3)\times a_1\\\\a_3=54=(-3)\times a_2\\\\.\\.\\.\\.\\.\\.\\.\\.\\.a_n=(-3)\times a_{n-1}$

Hence, the required recursive formula for the geometric sequence is:

$a_n=(-3)\times a_{n-1}$

5 0

3 years ago

HELP!!!!!!!<br> images below

Umnica [9.8K]

Step-by-step explanation:

me manda as respostas em português

5 0

3 years ago

Find the first derivative for y = f(x). fox ) 3x² -5x-1 at a Pocat where a = 4

Brums [2.3K]

Answer:

Step-by-step explanation:

f(x) = 3x² -5x - 1

f'(x) =2*3x - 5*1 +0

= 6x - 5

f'(4) = 6*4 - 5

= 24 - 5

= 19

3 0

3 years ago

Alesha has $25. She spent $4 on lunch and $3 for a book everyday. How many days could Alesha use the money for?

Xelga [282]

4+3 = 7
This is the amount of dollars spent each day
25/7 = 3 4/7
This means the money will last for 3 days.

3 0

2 years ago

dan picked 7 plums and 6 apples from the orchard. he gave 3 plums to sandy how many plums does he have left?

m_a_m_a [10]

He has 4 plums left :) (and in case your wondering he still has 6 apples)

3 0

3 years ago