4 years ago

Order from least to greatest order 3/7,0.45,4/9

Mathematics

1 answer:

Vera_Pavlovna [14]4 years ago

5 0

3/7, 4/9, then 0.45

3/7 = 0.42

4/9 = 0.44

0.45

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Can any one please do this for me I did not know how to do it can some one please help me

CaHeK987 [17]

Answer:

Length ≈ 31cm

Width ≈ 10cm

Step-by-step explanation:

$Let -the-length-be : x\\Let-the-width-be :y\\\\According- to- the- question ; \\x = 3(y)\\x=3y ---------(1)\\2(l+w)=82\\2(x+y)=82\\2x+2y =82 --------(2)\\Substitute- the - given- value- for ; x -in - equation---(1) into -equation (2)\\2(3y)+2y =82\\6y+2y=82\\8y =82\\\frac{8y}{8} =\frac{82}{8} \\y = 10.25\\\\Substitute 10.25 -for ;y -in -eq 1\\x=3y ---------(1)\\x = 3(10.25)\\x = 30.75$