2 years ago

Help please :)

Mathematics

1 answer:

VashaNatasha [74]2 years ago

4 0

Answer:

i think its the 3rd choice

Step-by-step explanation:

i say that bc maybe when u have to go to the right, u divide.

I forgot how u do this srry T-T..

Btw did ur acc get banned..?

Hope this helps

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Answer:

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Step-by-step explanation:

1) if a₁=3n; a₃=5n-6 and a₅=11n+8, then it is possible to calculate the difference according to 0.5(a₅-a₃)=0.5(a₃-a₁). Then

2) 0.5(11n+8-5n+6)=0.5(5n-6-3n); ⇔ 6n+14=2n-6; ⇔ n= -5.

3) if n=-5, then the 4th term is:

$a_4=\frac{a_5+a_3}{2}; \ = > \ a_4=\frac{11n+8+5n-6}{2}=8n+1;$

or a₄=-39.

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Answer:

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Step-by-step explanation:

Part A)

scientific notation ------>

standard notation ----->

Part B)

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Part C)

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