2 years ago

The figure shows a bridge support, a cable, and the roadway of a bridge.

Mathematics

1 answer:

Murljashka [212]2 years ago

3 0

Answer:

soln,

feet × feet tall

170×80

13,600

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LenKa [72]

Notice the picture
we have, the opposite side
the angle
and we want the hypotenuse

so recall your SOH CAH TOA $\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad \qquad 
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}

\\ \quad \\\\
% tangent
tan(\theta)=\cfrac{opposite}{adjacent} =$

which one has all that? low and behold, is Ms Sine,
so let's bother Ms Sine

$\bf sin(\theta)=\cfrac{opposite}{hypotenuse}\implies sin(27^o)=\cfrac{18}{hypotenuse}
\\\\\\
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make sure your calculator is in Degree mode, since the angle here is in degrees, as opposed to Radian mode

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3 years ago

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liubo4ka [24]

Answer:

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Step-by-step explanation:

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e = -21

Hence, the elevation of the entrance is -21

We simply applied the above equation so that we can determine the elevation of the entrance

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3 years ago

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nikitadnepr [17]

Answer:the answer is D y-2= 1/5(x+3)

Step-by-step explanation:I took the test

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3 years ago

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4 years ago

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Novay_Z [31]

Answer:

9,000

Step-by-step explanation:

1 km=1,000

9*1,000=9,000

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4 years ago