Mathematics, 09.05.2020 16:57 ayindejoy
Skyscraper Windows
A building is 12 stories high and is covered entirely by windows on all four sides. Each
floor has 38 windows on it. Once a year, all the windows are washed. The cost for
washing each window depends upon the window's floor:
Floor
Cost per Window
$2.00
$2.50
$3.00
For example, each window on Floor 2 costs $2.50 to wash. This pricing scale continues
for the windows on each floor.
1. How much will it cost to wash all the windows of this building?
2. If the building is 30 stories tall, how much will it cost to wash all the windows?
3. If the building is n stories tall, how much will it cost to wash all the windows?
Answers: 2
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Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
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Skyscraper Windows
A building is 12 stories high and is covered entirely by windows on all fou...
A building is 12 stories high and is covered entirely by windows on all fou...
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