3 years ago

Two cities on a map were 2 1/4 in. apart. The cities are actually 56.25 miles apart. Write the scale as a COMMON RATIO/FRACTION

2 answers:

8 0

Step-by-step explanation:

You either change the fraction to decimal numbers or the decimal numbers to fraction just like the question said okay so let's play go

2 ¹/⁴ in decimal is 2.25

so the ratio

STEP 1

2.25:56.25

Divide it to the lowest terms

2.25:56.25

the answer is

0.45:11.25

arsen [322]3 years ago

5 0

25 mile scale

25 miles/1 inch

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Answer:

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Step-by-step explanation:

Let

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y----> the width of rectangle

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substitute equation B in equation A

$120=y(y+5)+2(y+5)^{2} +2y^{2}\\120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\5y^{2}+25y+50-120=0\\5y^{2}+25y-70=0$

using a graphing calculator to resolve the quadratic equation

the solution is

$y=2\ cm$

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$x=2+5=7\ cm$

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$P=2(x+y)\\P=2(7+2)=18\ cm$

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