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sergiy2304 [10]
2 years ago
14

The keypad on Sam’s cell phone is shown at right. As you can see,

Mathematics
1 answer:
anzhelika [568]2 years ago
3 0

To complete the table we must carefully observe the keypad, we will notice that each number is equivalent to 3 letters of the alphabet except the numbers 7 and 9 which have 4 letters each.

<h3>How does the keypad work?</h3>

Previously, cell phone keypad had a different layout than today. The numbers were related to the letters of the alphabet and the number key was pressed according to the letters that were related.

For example, if you wanted to type the letter B, you would have to press the number 2 key twice.

The relationship of numbers and letters was distributed as follows:

  1. It had no letters.
  2. A, B and C.
  3. D, E and F.
  4. G, H and I.
  5. J, K and L.
  6. M, N and O.
  7. P, Q, R and S.
  8. T, U and V.
  9. W, X, Y, and Z.

According to the above, the table would be completed as follows.

Note: This question is incomplete because there is some missing information. Here is the missing information:

1. Complete this table to show the relation from letter to number.

Learn more about keypad in: brainly.com/question/1156254

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13. For the arithmetic sequence: 6, 12, 18, 24,...
serg [7]

a_15 = 90

a_n = 6n

Step-by-step explanation:

Given sequence is:

6, 12, 18, 24,...

First of all we have to find the common difference. The common difference is the difference between consecutive terms of an arithmetic sequence.

Here,

d=a_2-a_1 = 12-6 = 6\\d=a_3-a_2= 18-12 = 6

The general form for arithmetic sequence is:

a_n=a_1+(n-1)d

Putting the values for a_1 and d

a_n=6+(n-1)(6)\\a_n=6+6n-6\\a_n=6n

<u>a) Find a15</u>

a_{15} = 6(15)\\=90

<u>b) Write an equation for the nth term.</u>

The equation is: a_n=6n

Keywords: Arithmetic sequence, Common Difference

Learn more about arithmetic sequence at:

  • brainly.com/question/10703930
  • brainly.com/question/10772025

#LearnwithBrainly

4 0
3 years ago
HELPPPPP MEEEEEEE NOWWWWWWWWW HELPPPPPPPPPPPP
meriva

\huge{\mathbb{\tt{ANSWER:}}}

<h2>TRUE </h2>

\huge{\mathbb{\tt{SOLUTION↓}}}

See the file attached (photo) and analyze it! ☺️ , Have a Great Day! ☺️✨❤️

#CarryOnLearning

#LetsEnjoyTheSummer

<h3>→XxKim02xX</h3>

6 0
3 years ago
Read 2 more answers
Someone pls help with geometryyy
andrezito [222]
What's the problem about geometry? Which section?
5 0
3 years ago
What is the sign of−1.69+(−1.69)
Talja [164]
-1.69+(-1.69)= -3.38
5 0
3 years ago
Read 2 more answers
Simplify.<br><br> |–4.1| = <br><br> Thanks!
Alisiya [41]

|-4.1|

= 4.1


I hope that's help !

5 0
3 years ago
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