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Wewaii [24]
3 years ago
14

Who want to help with my math final

Mathematics
2 answers:
Papessa [141]3 years ago
3 0

Answer:

i mean technically youre supposed to do ur finals on ur own..but sure...ig...

Step-by-step explanation:

LiRa [457]3 years ago
3 0

Answer:

me

Step-by-step explanation:

i can help you what is it

ily

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What is the arithmetic sequence in this problem . help plz
adell [148]

Answer:

<u>a(n)=80*(9/10)^(n-1)</u>

Step-by-step explanation:

I think u r confused

this sequence is geometric not arithmetic

HOw we know that ??

when we get a common difference  <u>that must Be equal  </u>

d=72-80=-8  not equal to  d=64.8-72=-7.2

So it is not arithmetic

but when we get the common ratio that also must <u>be equal </u>

r=72/80=9/10 equal to   r=64.8/72=9/10

So it is geometric

By using this equation:

a(n)=a*r^(n-1)

and we have <u>a=80 , r=9/10</u>

Then       <u>a(n)=80*(9/10)^(n-1)</u>

<em>I really hope this helps <3</em>

6 0
3 years ago
Select the correct answer. what is this series written in sigma notation? 2.5 2.5(1.2) 2.5(1.2)2 ⋯ 2.5(1.2)87 a. ∑ k = 1 87 2.5
Marat540 [252]

<u> ∑ k = 1 88 2.5 ⁢ ( 1.2 ) k</u><u>  is this series written in </u><u>sigma notation. </u>

What is the series written in sigma notation?

  • A series can be represented in a compact form, called summation or sigma notation.
  • The Greek capital letter, ∑ , is used to represent the sum. The series 4+8+12+16+20+24 can be expressed as 6∑n=14n .
  • The expression is read as the sum of 4n as n goes from 1 to 6 .

Given:

2.5 + 2.5(1.2) + 2.5(1.2)2 + ⋯ + 2.5(1.2)87

If we look at the power it is always one less the term i.e., for first term the value of k=0.

So, the series in the form of summation can be written as

∑ k = 1 88 2.5 ⁢ ( 1.2 ) k

Learn more about sigma notation

brainly.com/question/16701078

#SPJ4

8 0
1 year ago
Could someone please help me with this question!<br> SSS<br> SAS<br> AAS<br> ASA
alexgriva [62]

Answer:

7. RHS

8.RHS

9.SAS

10.SAS

11.RHS

12.ASA

Step-by-step explanation:

6 0
2 years ago
The dashed line is given by the equation y=-9/5x-4
Svetlanka [38]

If you're looking for the dashed line, here it is.


8 0
2 years ago
Fred completed 10 math problems this is 40% of the math problems he must do how many are left??
Maru [420]

Answer:

100%-40%=60%

10-4=6

he has 6 questions left


8 0
3 years ago
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