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pochemuha
2 years ago
7

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

8 0
3 years ago
MANUFACTURING. The cost of manufacturing widgets is given by
nadezda [96]

Let's solve

  • C=2p+35

PutC=65

  • 2p+35=65
  • 2p=65-35
  • 2p=30
  • p=15$
4 0
1 year ago
Read 2 more answers
You are constructing a tangent line from a point outside a given circle to the circle is to draw a circle and a point outside th
Alja [10]
I think its C I am not sure hope it helps 

6 0
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:

B

Step-by-step explanation:

Its the only odd number

3 0
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°.
8 0
3 years ago
Read 2 more answers
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