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lyzzy7

  • 2 years ago

The function b(n) = 6n represents the number of light bulbs b(n) that are needed for n chandeliers. How many lightbulbs are needed for 15 chandeliers? 90 lightbulbs 2 lightbulbs 96 lightbulbs 80 lightbulbs

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  1. Brittni0605
    • 2 years ago
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    n represents the amount of chandeliers you have. b(n)=6n represents how many lightbulbs are needed with respect to the amount of chandeliers you have

  2. Brittni0605
    • 2 years ago
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    \[b(n)=6n\] \[b(15)=6(15)\] \[b(15)= 90\]

  3. lyzzy7
    • 2 years ago
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    Okay! Thank you, so much! And I have another question, if you wouldntr mind helping?? Bamboo plants grow rapidly. A bamboo plant is 130 inches tall. Tomorrow it will be 143 inches tall, the next day it will be 156 inches tall, and on the next day it will be 169 inches tall. Write a rule to represent the height of the bamboo plant as an arithmetic sequence. How tall will the plant be in 13 days?

  4. Brittni0605
    • 2 years ago
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    Ok, so whats the formula for arithmetic sequences?

  5. lyzzy7
    • 2 years ago
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    For this probem +13?

  6. Brittni0605
    • 2 years ago
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    No, not for this problem. I mean you need to find the formula that sequences this problem.

  7. Brittni0605
    • 2 years ago
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    13 is the common difference.

  8. Brittni0605
    • 2 years ago
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    \[a_{n} =a_{1}+(n-1)d\]

  9. Brittni0605
    • 2 years ago
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    familiar?

  10. lyzzy7
    • 2 years ago
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    ohhh, yeah, I got ya. Now what?

  11. Brittni0605
    • 2 years ago
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    You said 13 is the difference, so what variable does that represent?

  12. lyzzy7
    • 2 years ago
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    a?

  13. Brittni0605
    • 2 years ago
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    No, d

  14. lyzzy7
    • 2 years ago
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    Ohh..

  15. Brittni0605
    • 2 years ago
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    |dw:1353360560579:dw|

  16. Brittni0605
    • 2 years ago
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    |dw:1353360770752:dw|

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