Answer:
11.1
Step-by-step explanation:
Use the Pythagorean theorem to find the unknown side.

7,14,21,28,35
Multiply 7 by 1-5
In this case, the best way to work this out is to find what 1cm is equal to. In this case, you have to divide 51/3, giving you 17. You know that 17 feet. You can now divide 187/17, giving you 11.
Therefore, 11cm is equal to 187 feet.
Hope this helps
Answer:
Simple sum. The symbol Σ (sigma) is generally used to denote a sum of multiple terms. This symbol is generally accompanied by an index that varies to encompass all terms that must be considered in the sum.
Answer:
-7/2y
Step-by-step explanation:
cancel out the Z's than youre left with -7/2y :}