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gogolik [260]
3 years ago
7

I will give brainliest to whoever answers it correctly

Mathematics
1 answer:
Vilka [71]3 years ago
3 0

Answer:

  • A(1) = -4
  • A(n) = A(n - 1) - 6

Step-by-step explanation:

<h3>Given</h3>
  • AP with the explicit formula A(n) = 8 - 6(n - 1)
<h3>To find </h3>
  • Recursive formula
<h3>Solution</h3>

<em>Recursive formula is the formula A(n) = A(n - 1) + d</em>

<u>Based on the explicit formula we have:</u>

  • A(n) = 8 - 6(n - 1) = 8 - 6n + 6 = 2 - 6n
  • A(n - 1) = 2 - 6( n - 1) = 2 - 6n + 6 = 8 - 6n

<u>The common difference is:</u>

  • d  = A(n) - A(n - 1) = 2 - 6n - (8 - 6n) = 2 - 6n - 8 + 6n = - 6

<u>The first term is:</u>

  • A(1) = 2 - 6(1) = 2 - 6 = -4

<u>So the recursive formula is:</u>

  • A(1) = -4
  • A(n) = A(n - 1) - 6

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AlexFokin [52]

Answer:

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Step-by-step explanation:

if we get 6 bulbs for $18

we can keep going

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18 bulbs for $54

or we can divide 54 by 18 and get 3

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if im correct may i please get brainliest

4 0
3 years ago
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Step-by-step explanation:

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Hope that helps, :)

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3 years ago
One number is 6 more than a second number, the sum of the two numbers is 330. what are the numbers?
maksim [4K]

Let's have the first number, the larger number, be <em>x</em>.  We'll have the second, smaller number be <em>y</em>.

We know that x = y + 6, since x is 6 greater than y.

We also know that 330 = x + y.

Because x = y + 6, 330 = y + 6 + y, which simplifies to 330 = 2y + 6.

Now all we need to do is simplify the equation.  First, we subtract 6 from both sides:

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So we have 324 = 2y.  Then we divide both sides by 2 to get:

162 = y

Plug in y = 162 into the equation x = y + 6 to get:

x = 162 + 6

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Let's check to make sure our answer is right.  168 is 6 more than 162.  162 + 168 equals 330.  So our two numbers are 168 and 162.

7 0
3 years ago
The length of a rectangle is 3 inches shorter than its width. The perimeter of the rectangle is 50 inches.
CaHeK987 [17]

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Step-by-step explanation:

I think these are the answers but choose what You think. make Your best guest good luck

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