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Nitella [24]
3 years ago
13

If 10 miles is about 16 kilometers and the distance between two towns is 45 miles ,use a ratio table to find the distance betwee

n the towns in kilometers
Mathematics
2 answers:
diamong [38]3 years ago
8 0
10m : 16 km
x 4.5
45m : 72km.

gtnhenbr [62]3 years ago
8 0
First find what is the ratio of 1 mile: kilometers

miles:kilometers
10 : 16
1 : 1.6

so now it will be easier to solve. you want to find what is the ratio of 45 miles: kilometres.
miles:kilometers
1 : 1.6
45 : 1.6×45=72km
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2x+5y=-3<br>3x-y=21<br>help me
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Problem:
Solve
2
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Steps:
I will try to solve your system of equations.
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2
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y
=
−
3
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+
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−
3
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2
x
+
5
y
=
−
3
2
x
+
5
(
3
x
−
21
)
=
−
3
17
x
−
105
=
−
3
(Simplify both sides of the equation)
17
x
−
105
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105
=
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3
+
105
(Add 105 to both sides)
17
x
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17
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(Divide both sides by 17)
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for
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21
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(
3
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(
6
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21
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=
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3
(Simplify both sides of the equation)
Answer:
y
=
−
3
and
x
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