Mathematics, 23.06.2019 10:00, maddylol3863
New streetlights will be installed along a section of the highway. the posts for the streetlights will be 7.5 m tall and made of aluminum. the city can choose to buy the posts shaped like cylinders or the posts shaped like rectangular prisms. the cylindrical posts have a hollow core, with aluminum 2.5 cm thick, and an outer diameter of 53.4 cm. the rectangular-prism posts have a hollow core, with aluminum 2.5 cm thick, and a square base that measures 40 cm on each side. the density of aluminum is 2.7 g/cm3, and the cost of aluminum is $0.38 per kilogram. if all posts must be the same shape, which post design will cost the town less? how much money will be saved per streetlight post with the less expensive design?
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 22.06.2019 00:30, sadcase85
Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?
Answers: 1
Mathematics, 22.06.2019 02:00, love12236
Th perimeter of a rectangular garden is 150 feet. the length is 50 feet longer than the width, w. which equation could be used to calculate the width of the garden? a.) 2w+ 2(w-50) =150 b.) 2w+50 + 2w =150 c.) 2(w+50) + w =150 d.) 2w+ 2(w + 50) = 150 need asap. will give brainliest !
Answers: 1
Do you know the correct answer?
New streetlights will be installed along a section of the highway. the posts for the streetlights wi...
Questions in other subjects:
Mathematics, 04.12.2019 20:31
Computers and Technology, 04.12.2019 20:31
History, 04.12.2019 20:31
Mathematics, 04.12.2019 20:31
Mathematics, 04.12.2019 20:31
English, 04.12.2019 20:31
