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3 years ago

11

Karl used 2 inch by 2 inch square tile to cover a 14 inch by 12 inch piece of cardboard. Each tile weighs 3 ounces. What is the

combined weight of the tiles Karl used to cover the piece of cardboard?

1 answer:

ddd [48]3 years ago

7 0

First, we need to find the area of both the tile and cardboard, so we can calculate how much tile will fit in the cardboard

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3 years ago

If each letter of the alphabet is worth two more than its preceding letter, where A is the first number and equals 1, B is the s

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Answer:

<h2>The total value of all the letters in the alphabet is 676.</h2>

Step-by-step explanation:

The problem is about an arithmetic sequence where the difference is 2, the first term is 1 and we know that the alphabet has 26 letters.

To find the total sum of all values, we have to use the following formula

$S_{n}=\frac{n}{2}(2a_{1}+(n-1)d )$

Where $n=26$ , $a_{1}=1$ and $d=2$ . Replacing values, we have

$S_{26}=\frac{26}{2}(2(1)+(26-1)2) =13(2+50)=13(52)=676$

Therefore, the total value of all the letters in the alphabet is 676.

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Step-by-step explanation:

194-50=144

144/12=12

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