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dangina [55]
3 years ago
13

What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 2?

Mathematics
2 answers:
Setler79 [48]3 years ago
8 0

Answer:

a_n= 8-3n is the explicit equation, integers n>0

Step-by-step explanation:

an arithmetic sequence with a first term of 5 and a second term of 2

General formula for arithmetic sequence is a_n= a_1+(n-1)d

where a1 is the first term and d is the common difference

a_1=5

a_2=2

Difference between the terms = 2-5=-3

Difference d=-3

a1=5, d=-3, plug in all the values

a_n= 5+(n-1)(-3)

multiply -3 inside the parenthesis

a_n= 5-3n+3, combine like terms

a_n= 8-3n is the explicit equation, n>0

xenn [34]3 years ago
7 0
For the answer to the question above asking the explicit equation and domain for an arithmetic sequence with the first term of 5 and the second term of 2? I think the answer for this is <span>5-2(n-1); all integers where n≥0. I hope this helps.</span>

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Graph the system of equations on your graph paper to answer the question.
scZoUnD [109]
<span>y=x-4
y=-x+6 
---------------------
Substitute x - 4 for y in </span>y=-x+6 
x-4=-x+6<span>
--------------------------------
Add X on each side
</span><span>x-4+x</span>=-<span>x+6+x
</span>2x - 4 = 6
--------------------------------------
Add 4 on each side
<span>2x-4+4</span>=<span>6+4
</span>2x = 10
------------------------------------------------
Divide by 2 on each side
2x ÷ 2 = 10 ÷ 2
x = 5
Now we have X
================================================================
To find Y we substitute 5 for x in y=<span>x-<span>4
</span></span>y = 5 - 4
y = 1
-----------------------------------------------------
Your answers are Y = 1 and X = 5

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tankabanditka [31]

oops i just did :)


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Step-by-step explanation:

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slega [8]

Answer:

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Step-by-step explanation:

Hope this helps :)

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Answer:

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Step-by-step explanation:

Hope this helps!

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