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sergeinik [125]
4 years ago
11

Keith is planning to drive from Los Angeles to San Francisco. He measured a distance of 5 inches between the two cities on the n

ational map in his road atlas. A scale of 1 inch:80 miles is displayed on this map.
What does this scale mean?
Mathematics
1 answer:
Stella [2.4K]4 years ago
8 0

Answer:

See Below

Step-by-step explanation:

1 inch:80 miles ---------- this is the scale of the map

<em>It means that 1 inches on the map is 80 miles in real life.</em>

So, 5 inches [distance from Los Angeles to San Francisco] would be

5 * 80 = 400 miles in real life

So, it also tells us that the Distance from Los Angeles to San Francisco is 400 miles

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Katyanochek1 [597]

Answer:

a=1.5, b= 3

Step-by-step explanation:

sum of all sides will give us perimeter. Therefore

2a+b+6a+2b+1+4a=28

12a+3b+1=28

12a+3b=27....eqn1

since t two sides of this isosceles triangle are equal:

2a+b=4a

2a=b

a=\frac{b}{2}

substituting \frac{b}{2}. in the first equation whenever we encounter a we will have:

12(\frac{b}{2})+3b=27\\

6b+3b=27

9b=27

b=3

therefore a= \frac{b}{2} =\frac{3}{2} =1\frac{1}{2}  or 1.5

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3 years ago
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