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statuscvo [17]
2 years ago
11

I need your Help, please! THX:)

Mathematics
2 answers:
USPshnik [31]2 years ago
7 0
450 miles
1 in. Per 60 miles
460/60 = 7.5 inches
Allushta [10]2 years ago
5 0

Answer:

7.5 inches

Step-by-step explanation:

We have the scale factor 1:60.

So we can setup the equation: 1/60=x/450.

Simplify denominators: 1/2 = x/15

Cross multiply: 2x=15, so x=7.5

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frosja888 [35]

Remark

This will be a little late, but I'll answer it anyway. The more you see of the sine law, the clearer it will be.


Step One

Set up the sine Law.

\dfrac{Sin(x)}{12}=\dfrac{sin(75)}{22}


Step Two

Substitute values

Sin(x) = ??

sin(75) = 0.9659


\dfrac{Sin(x)}{12}=\dfrac{0.9659}{22}


Step Three

Cross multiply and Solve

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Step Four

You have to know how to use the inverse of an angle to get the answer. I do it as my calculator would do it. If it doesn't work with yours, let me know.


x = sin^-1(0.5269)

2nd F

Sin^-1

(

0.5269

)

=

You should get 31.79 degrees.

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