2 years ago

Help pls also can you explain how to do this if not it’s okay

Mathematics

1 answer:

salantis [7]2 years ago

8 0

Use proportions , it helps

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Find the length of DE. Round to the nearest hundredth. (Picture included)

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

$\bf sin(\theta)=\cfrac{opposite}{hypotenuse}\implies sin(27^o)=\cfrac{18}{hypotenuse}
\\\\\\
hypotenuse=\cfrac{18}{sin(27^o)}$

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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nadezda [96]

Let's solve

C=2p+35

PutC=65

2p+35=65
2p=65-35
2p=30
p=15$

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1 year ago

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Alja [10]

I think its C I am not sure hope it helps

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2 years ago

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If x=w find the perimeter of vwx A. 16 B. 19 C. 20 D. 22

Mandarinka [93]

Answer:

Step-by-step explanation:

Its the only odd number

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3 years ago

Frank stands 450 feet from the base of the Statue of Liberty. If the Statue of Liberty is 306 feet tall, what is the angle of de

kari74 [83]

Let the angle of elevation be θ.

We have a right angled triangle with an opposite of 300.5 ft. (306 - 5.5) and an adjacent of 400 ft. Recalling SOH CAH TOA, tanθ = O/A.
tan(θ) = 300.5/400.
θ = tan^-1(300.5/400).
θ = 36.9°.

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3 years ago

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