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nignag [31]
2 years ago
14

Can someone help me plz

Mathematics
1 answer:
koban [17]2 years ago
6 0

inaccurate

3 less than would be x-3, but 3-x would be 3 more

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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
A 12-foot ladder is placed four feet from the base of a wall.
nikitadnepr [17]

Answer:8sqrt 2 or sqrt 128

Step-by-step explanation:

We can use the Pythagorean Theorem. Since the ladder is leaning against the wall, it is the hypotenuse. It is also 4 feet away from the wall so 12^2-4^2=b^2 b^2=128 so b=8sqrt 2 or sqrt 128.

4 0
2 years ago
What is 1.48888 repeating as a fraction
Alik [6]
1/4 I think because you would limit the eights
6 0
3 years ago
Read 2 more answers
A right angled triangle has a second angle equal 24 degrees. The side adjacent to this angle is 3,7 metres long. How long are th
Vaselesa [24]
Hypotenuse will be 4.05
Opposite will be 1.65

4 0
3 years ago
Note: Figure not drawn to scale
tamaranim1 [39]

Answer:

A) 49.5

Step-by-step explanation:

11*9=99

99/2= 49.5

6 0
3 years ago
Read 2 more answers
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