Error analysis
a student says that the perimeter of a rectangle with side lengths (2x-1)inches...
Mathematics, 02.09.2019 01:10, marjorieheckaman
Error analysis
a student says that the perimeter of a rectangle with side lengths (2x-1)inches and 3x inches can be written as (10x-1) inches. because 2(2x-1) + 2(3x)=10x-1. explain why this statement is incorrect.
Answers: 2
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How many solutions does the nonlinear system of equations graphed below have?
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Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .
Answers: 1
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Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
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