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kondor19780726 [428]
2 years ago
9

A similar scale model of a building is 12 in tall and 9 in wide. If the actual building is 100 ft tall, how wide is the building

?
97.0 ft
133.3 ft
75.0 ft
50.0 ft
Mathematics
1 answer:
Dmitry [639]2 years ago
4 0
You just put the scale of one building on one side and the scale of the similar building on other side, with width and length written in same place (denominator or numerator). With x for the part that you dont know

Length of one building / width of one building = length of other building / width of other building

12 / 9 = 100 / x

Solve for x, by cross-multiplying

12 * x = 100 * 9
12x = 900
X = 900/12
X = 75 ft



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The angle of elevation to the top of the Empire State Building in New York is found to be 11 degrees from the ground at a distan
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Draw a picture of a building and a one mile (or 5280 feet) distance to a point from the base of the building. 

The angle of elevation is given as 11° and we want the height of the building or x. 

tan(11°) = x/5280 

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I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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3 years ago
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3 0
3 years ago
7/12 divided by 2/5 I need help thanks and bye
Law Incorporation [45]

hey there!

7/12 divided by 2/5 is 7/30

first you have to find the reciprocal for 2 / 5 can do that by flipping 2 / 5 you'll then get 5 / 2 now the rest is simple all you have to do is multiply 7/12 by 2/5 so you multiply 7 by 2 and you get 14 that's your numerator 10 divide 12 by 5 and you'll get 60 so now you have 14 / 60 7 / 30 now you simplify and you get

I hope I helped please mark me brainliest

baiiiiiii

3 0
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Please help me! I will mark brainliest!
Elenna [48]

Answer:

Your picture didn't load?

Step-by-step explanation:

3 0
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So first create and define your variables:
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N = amount of neon tetras

Now create your equations:
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This is your system. There are multiple methods to use but in this problem I’ll use the substitution method by simplifying the bottom equation.
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Now I’ll plug the bottom equation into the top one.
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And just solve from here.
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6 0
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