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shorty178658
29.08.2019 •
Mathematics
Ken bought 3 3/4 pounds of apples at the farmers' market. abby bought 2 1/8 pounds of apples. how many pounds of apples did ken and abby buy in all? explain how you got your answer ! : )
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Ответ:
Ответ:
x = 5.97
Step-by-step explanation:
The area of a circle is
A = pi r^2
56 = pi r^2
56 = 3.14 r^2
56/3.14 = r^2
17.8343949 = r^2
Take the square root of each side
4.223078842=r
The radius is 1/2 the diameter
2r =d
8.446157684 =d
The diameter is the hypotenuse of the square
a^2 + b^2 =c^2
but in a square a and b are the same, we will call it x where x is the length of the side
x^2 + x^2 = (8.446157684)^2
2x^2 = (8.446157684)^2
2x^2 =71.33757962
Divide by 2
x^2=35.66878981
Take the square root of each side
sqrt(x^2) =sqrt(35.66878981)
x = 5.972335373
To 3 significant figures
x = 5.97