There are different kinds of compositions. The percentage mass composition of chlorine is 42% in HClO3 (gram-formula mass = 84 g/mol)
<h3>What is HClO3 known as?</h3>
This HClO3 is known to be popularly called as Chloric acid.
Percentage mass of chlorine is formula:
Percentage mass composition = mass of element * 100%/mass of compound.
Therefore;
HClO3 (gram-formula mass = 84 g/mol)
Percentage mass composition of chlorine = 35 * 100% / 84 = 42%
See full question below.
In which compound is the percent composition by mass of chlorine equal to 42%?
(1) HClO (gram-formula mass = 52 g/mol)
(2) HClO2 (gram-formula mass = 68 g/mol)
(3) HClO3 (gram-formula mass = 84 g/mol)
(4) HClO4 (gram-formula mass = 100. g/mol)
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The 3rd sentence is the answer
The height of the towers above the ground is 152 meters.
<h3>Procedure - Determination of the height of the towers in the Golden Gate Bridge</h3>
The expanded form of the function is 
, a
quick though reasonable approach consists in evaluating the function for 
, that is, the <em>horizontal</em> distance with respect to the <em>left</em> tower to determine the height of the each tower of the Golden Gate Bridge.
If we know that 
, then the height of the towers is:
The height of the towers above the ground is 152 meters. 
<h3>Remark</h3>
The statement is poorly formatted. Correct form is presented below:
<em>The Golden Gate Bridge is a suspension bridge that consists of two cables hung from two towers of equal height that are 1280 meters apart. The function </em>
<em> models the height of each cable above the ground in meters, as it relates to the cable horizontal distance from the left tower in meters. What is the height of the towers in meters?</em>
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Answer:
Where are the pictures? I would like to help you.
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This is a creativity issue that should be written by you, but I hope these tips are helpful.
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