3 years ago

URGENT NEED HELP 20pts

Mathematics

2 answers:

vlabodo [156]3 years ago

7 0

Answer:

B) Similarities

B) vestigal trait

A)DNA

Step-by-step explanation:

Reika [66]3 years ago

6 0

Answer: 1. is <u>B. Similarities.</u> 2. is <u>B. Vestigial Trait</u>. 3. is <u>A. DNA. </u>

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hichkok12 [17]

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Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

$a_{n}=a+(n-1)d$ , where

a is the first term of the sequence
d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ $a_{n}=a+(n-1)d$

∴ $a_{n}=4+(n-1)3$

- Simplify it

∴ $a_{n}=4+3n-3$

∴ $a_{n}=1+3n$

The formula for the value of nth term is $a_{n}$ = 3n + 1

Learn more:

You can learn more about the sequence in brainly.com/question/7221312

#LearnwithBrainly

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