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barxatty [35]
3 years ago
10

Find the coefficient of x^4 in the expansion of (x−9)^8 Please I need help!!

Mathematics
1 answer:
alexdok [17]3 years ago
5 0

Answer:

<u>4</u><u>5</u><u>9</u><u>2</u><u>7</u><u>0</u>

  • <u>is</u><u> </u><u>the</u><u> </u><u>coefficient</u>
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What are the equations
I am Lyosha [343]

Answer:

(-3,4)

(-1,4)

(-3,7)

Step-by-step explanation:

(1,1) → (1-4, 1+3) → (-3,4)

(3,1) → (3-4, 1+3) → (-1,4)

(1,4) → (1-4, 4+3) → (-3,7)

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3 years ago
I Will give brainliest
saveliy_v [14]

Answer:

466 and 286

Step-by-step explanation:

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3 years ago
Nathan wants to buy a car that costs $25,920 he has $3,000 as a down payment and his payments will be $450 for 6 years through r
sesenic [268]

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3 0
3 years ago
PLEASE HELP!!!! i REALLY NEED TO GET THIS DONE AND AM HAVING TROUBLE WITH THIS ONE!!!!
zubka84 [21]

Answer:

a[n] = a[n-1]×(4/3)

a[1] = 1/2

Step-by-step explanation:

The terms of a geometric sequence have an initial term and a common ratio. The common ratio multiplies the previous term to get the next one. That sentence describes the recursive relation.

The general explicit term of a geometric sequence is ...

  a[n] = a[1]×r^(n-1) . . . . . where a[1] is the first term and r is the common ratio

Comparing this to the expression you are given, you see that ...

  a[1] = 1/2

  r = 4/3

(You also see that parenthses are missing around the exponent expression, n-1.)

A recursive rule is defined by two things:

  1. the starting value(s) for the recursive relation
  2. the recursive relation relating the next term to previous terms

The definition of a geometric sequence tells you the recursive relation is:

  <em>the next term is the previous one multiplied by the common ratio</em>.

In math terms, this looks like

  a[n] = a[n-1]×r

Using the value of r from above, this becomes ...

  a[n] = a[n-1]×(4/3)

Of course, the starting values are the same for the explicit rule and the recursive rule:

  a[1] = 1/2

7 0
3 years ago
What is the gcf of 56 and 14
IgorC [24]

Answer:

14

Step-by-step explanation:

14/14=1

56/14=4

4 0
3 years ago
Read 2 more answers
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