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Ivahew [28]
2 years ago
12

What is the explicit formula of the arithmetic sequence? -9, -6, -3, 0....

Mathematics
1 answer:
luda_lava [24]2 years ago
4 0

Answer:

Tn= -9+(n-1)×3

Step-by-step explanation:

d= t2-t1 =t3-t2....

=-6-(-9)=3

We realize that this is an arithmetic sequence

Therefore Tn= a + (n-1)d, whereby a if the first term= - 9,d=3

Tn=-9+(n-1)×3

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Please I need help
solong [7]

9514 1404 393

Answer:

  (c)  27x^11 +51x^7 +9x^6 -60x^5 +17x^2 -20

Step-by-step explanation:

As with many multiple-choice questions, you only need to look at something that will discriminate the correct answer from the wrong one.

The highest-degree product term is the product of the highest-degree terms in the factors:

  (3x^5)(9x^6) = 27x^11

This matches choice C only.

_____

In case you're interested in actually performing the rest of the multiplication, the distributive property applies.

  (1 +3x^5)(17x^2 +9x^6 -20)

  = 1(17x^2 +9x^6 -20) +3x^5(17x^2 +9x^6 -20)

  = 17x^2 +9x^6 -20 +51x^7 +27x^11 -60x^5

Writing these terms in order of decreasing exponents gives ...

  = 27x^11 +51x^7 +9x^6 -60x^5 +17x^2 -20

7 0
3 years ago
How to solve this I am not the best at math
Brrunno [24]
Try  it is a great site that you can plug problems in to for the answers! I hope this is helpful!!
5 0
3 years ago
Solve equation 4x=20
Romashka [77]

4x=20

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k0ka [10]
8.02 x 10^-2 = 8.02 * 0.01 = 0.0802 <span>in standard form</span>
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Read 2 more answers
4 , 15 , 30 , 49 , 72 , 99 , 130 what is the nth term would really appreciate help
yuradex [85]

Answer:

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Step-by-step explanation:

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