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dsp73
3 years ago
6

The expression 2r^2+18x +40 has a greatest common factor of 2.

Mathematics
1 answer:
avanturin [10]3 years ago
7 0

2(x^2+9x+20)

2(x^2+5x+4x+20)

2{x(x+5)+4(x+5)}

2(x+5)(x+4)

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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:

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  2. A, B and C.
  3. D, E and F.
  4. G, H and I.
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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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2 years ago
Reanna eats 72 chicken wings. Jesus eats 102 chicken wings more than Reanna. How many chicken wings do they eat altogether?
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