Mathematics, 01.02.2021 21:20 sam9043
Shawn and Ellie are construction workers. Shawn can complete a concrete job in 4 hours, while Ellie can complete it in 6 hours. The foreman says that it
will take them 5 hours to complete it if they work together. Explain each step in solving this equation, and determine if the foreman is correct or not.
Please show steps and explain then solve. Heeelllppp
Answers: 1
Mathematics, 21.06.2019 20:00
In one day there are too high tides into low tides and equally spaced intervals the high tide is observed to be 6 feet above the average sea level after six hours passed a low tide occurs at 6 feet below the average sea level in this task you will model this occurrence using a trigonometric function by using x as a measurement of time assume the first high tide occurs at x=0. a. what are the independent and dependent variables? b. determine these key features of the function that models the tide: 1.amplitude 2.period 3.frequency 4.midline 5.vertical shift 6.phase shift c. create a trigonometric function that models the ocean tide for a period of 12 hours. d.what is the height of the tide after 93 hours?
Answers: 1
Mathematics, 21.06.2019 23:30
Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
Answers: 1
Mathematics, 22.06.2019 00:00
Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?
Answers: 1
Mathematics, 22.06.2019 00:00
Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?
Answers: 1
Shawn and Ellie are construction workers. Shawn can complete a concrete job in 4 hours, while Ellie...
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