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

Where
,
and
. Replacing values, we have

Therefore, the total value of all the letters in the alphabet is 676.
Answer:
the answer is d
Step-by-step explanation:
answers are shown
Answer:

Step-by-step explanation:
Answer:
First option: (Substitute)
2x+3 (x+1.5) = 12
Side of the room = x.
From the right triangle, where sides of the square are legs of the right triangle, and the diagonal of the square is a hypotenuse of the right triangle.
x²+x²=6²
2x²=36
x²=18
x=√18 =√(2*9)=3√2≈4.2m