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Anon25 [30]
2 years ago
11

What is the relationship between the amplitude of light of light waves and brightness

Mathematics
1 answer:
Paha777 [63]2 years ago
5 0

Answer: The amplitude of light waves is associated with our experience of brightness or intensity of color, with larger amplitudes appearing brighter.

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How is the sum expressed in sigma notation?<br><br> 11 + 17 + 23 + 29 + 35 + 41
Ann [662]
<h3>The sum expressed in sigma notation is:</h3>

11+17+23+29+35+41=\sum\limits_{i=1}^{6}5+6i

<u><em>Solution:</em></u>

Given that,

11 + 17 + 23 + 29 + 35 + 41

We have to express the sum in sigma notation

Analyse the series

5 + 6(1) = 11

5 + 6(2) = 17

5 + 6(3) = 5 + 18 = 23

5 + 6(4) = 5 + 24 = 29

5 + 6(5) = 5 + 30 = 35

5 + 6(6) = 5 + 36 = 41

<em><u>Thus the series goes on like this:</u></em>

5 + 6(n) , where n = 1 to 6

<em><u>This can be expressed in sigma notation as:</u></em>

11+17+23+29+35+41=\sum\limits_{n=1}^{6}5+6n

<em><u>We can expand the sigma notation and verify the results</u></em>

\sum\limits_{i=1}^{6}5+6i=(5+6(1))+(5+6(2))+(5+6(3))+(5+6(4))+(5+6(5))+(5+6(6))\\\\\\\sum\limits_{i=1}^{6}5+6i=(5+6)+(5+12)+(5+18)+(5+24)+(5+30)+(5+36)\\\\\\\sum\limits_{i=1}^{6}5+6i=11+17+23+29+35+41

8 0
3 years ago
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What is the missing number in this pattern
Alchen [17]

Answer:

16 is the missing number

Step-by-step explanation:

5 0
2 years ago
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How do you get 2 square root of 2 from 4​
balandron [24]

Answer:

2 x 2 = 4

Step-by-step explanation:

If you're trying to find the square root of say, 9, it would be 3 x 3 and your trying to find a square root something it's just something multiplied by itself again. such as the square root 1225 is 35 x 35, because 35 x 35 is 1225. Sorry if this is to complicated for you I learnt this in first term and I found it easy to grasp because of the way my math teacher taught it.

Sorry in advance ¯\_(⸟‸⸟)_/¯

8 0
3 years ago
A teacher places 55 books onto shelves. Each shelf holds 9 books. How many shelfes does the teacher fill?
Umnica [9.8K]

your answer is 495

55 times 9 = 495

5 0
3 years ago
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Haily walked 15 miles in 9 hours. What was her walking rate in miles per hour? Express your answer in simplest form
Pachacha [2.7K]

Answer:

1.67

Step-by-step explanation:

you should do 15 ÷ 9 and you get 1.6666666667 and when you simplify that you get 1.67

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