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RideAnS [48]
3 years ago
12

Helpppppp pleaseeee number 8,9 and the last one

Mathematics
2 answers:
alexgriva [62]3 years ago
4 0

go to one of my recent questions and the answers are there :)

garik1379 [7]3 years ago
3 0
8 is:
a)2x+3
b)7x^2
c)3x^2+2x+1
d)x^2+2x+7
e)x^2+2x+3
f)7x^2+2x+1
g)3x
h)x^2+3x
9 is:
a)5x
b)4x+9
c)4x+2
d)4x-2
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A map uses a scale of 3/4 in = 80 miles. If two buildings are 60 miles apart in real life, how far apart would they be drawn on
Alla [95]

Given:

The scale of a map is \dfrac{3}{4}\ in=80\ miles.

The distance between two buildings is 60 miles.

To find:

The distance between the given building on the map.

Solution:

We have,

\dfrac{3}{4}\ in=80\ miles

It means, 80 miles in real life = \dfrac{3}{4}\ in on the map.

1 mile in real life = \dfrac{3}{4\times 80}\ in on the map.

60 mile in real life = \dfrac{3\times 60}{4\times 80}\ in on the map.

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3 years ago
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ahrayia [7]

Answer:

<h2>BR ≈ 49.0</h2>

Step-by-step explanation:

Use cosine:

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Substitute:

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BR=\dfrac{420,000}{8,572}

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