3 years ago

Determine which of the following is a random experiment: *

Mathematics

1 answer:

sesenic [268]3 years ago

3 0

Flipping a coin should be it

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What is the number sentence using addition. ...the answer is 34

tatuchka [14]

It could be many things like 30 + 4 = 34

8 0

3 years ago

Read 2 more answers

An arithmetic sequence is given below.

Mashcka [7]

Given that $a_1=24$ and $a_2=17$ , if $a_n$ is an arithmetic sequence, then the common difference between successive terms is $d=a_2-a_1=17-24=-7$ .

You then have

$a_2=a_1+d$
$\implies a_3=a_2+d=a_1+2d$
$\implies a_4=a_3+d=a_1+3d$
$\implies \cdots\implies a_n=a_{n-1}+d=\cdots=a_1+(n-1)d$

So the explicit formula for the $n$ th term is

$a_n=24-7(n-1)$