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isanaty7951
30.10.2019 •
Mathematics
Solve for t.
d = rt
a.
t = dr
b.
t = r/d
c.
t = d/r
d.
t = d – r
Solved
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Ответ:
E.
cm to
Km
F.
in to
mi
G.
cm to
Km
Step-by-step explanation:
Verify each case
case A)
in to
mi
In this part the scale is equal to
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is greater than the dimensions of the page
therefore
case A) is not the solution
case B)
cm to
Km
In this part the scale is equal to
Convert the dimensions of the book to cm
so
Convert the actual dimensions of Kansas to Km
so
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is greater than the dimensions of the page
therefore
case B) is not the solution
case C)
in to
mi
In this part the scale is equal to
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is greater than the dimensions of the page
therefore
case C) is not the solution
case D)
ft to
mi
In this part the scale is equal to
Convert the dimensions of the book to ft
so
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is greater than the dimensions of the page
therefore
case D) is not the solution
case E)
cm to
Km
In this part the scale is equal to
Convert the dimensions of the book to cm
so
Convert the actual dimensions of Kansas to Km
so
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is less than the dimensions of the page
therefore
case E) could be a scale on the map
case F)
in to
mi
In this part the scale is equal to
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is less than the dimensions of the page
therefore
case F) could be a scale on the map
case G)
cm to
Km
In this part the scale is equal to
Convert the dimensions of the book to cm
so
Convert the actual dimensions of Kansas to Km
so
Convert the actual dimensions of Kansas to the model dimensions on a map and compare with the dimensions of the page of the book
By proportion
The dimensions of Kansas on a map is less than the dimensions of the page
therefore
case G) could be a scale on the map