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Evgen [1.6K]
3 years ago
5

Brainliest + points! Please explain

Mathematics
1 answer:
Marina CMI [18]3 years ago
7 0

Answer:

C. 14 feet

Step-by-step explanation:

Cos (60) = Adjacent / Hypotenuse

Cos (60) = 7/x

x = 7 / Cos(60)

x = 7 / 0.5

x = 14

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The cost of 3 kg of apples and 6 kg of oranges is Rs 300. If the cost of 1 kg of oranges is Rs 30, find the cost of 8 kg of appl
noname [10]

Answer:

Cost of 1 = 30

So cost of 8kg apples=8*30

=240

Step-by-step explanation:

6 0
3 years ago
Cual es la diferenciaa de z ah 7
cluponka [151]
Yo creo q es por q z es una letra y 7 es numero
3 0
3 years ago
Based on the drawing, Which can be used to prove PQR ≅ STV?
natta225 [31]

Answer:

Option (2) is correct.

Based on the drawing, SAS can be used to prove PQR ≅ STV

Step-by-step explanation:

We have to find the criterion by which the two given triangle can be prove similar from the given options.

Consider, the given triangles from the drawing given

ΔPQR and ΔSTV,

PR = VS  (Given)

∠QRP = ∠TVS ( Given)

and, QR = TV (given)

Thus,  PQR ≅ STV  ( SAS CRITERION)

For SAS criterion , we need to show that two sides and the angle between those sides are equal .

Thus, option (2) is correct.


5 0
4 years ago
I am currently working on Trigonometry, but unfortunately I am having a hard time. Here are some of my questions I've answered s
Novosadov [1.4K]
\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad \qquad 
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}\\\\
-------------------------------\\\\
cos(\theta)=\cfrac{\sqrt{3}}{3}\cfrac{\leftarrow adjacent=a}{\leftarrow hypotenuse=c}
\\\\\\
\textit{using the pythagorean theorem}\implies c^2=a^2+b^2\implies \pm\sqrt{c^2-a^2}=b
\\\\\\
\pm\sqrt{3^2-(\sqrt{3})^2}=b\implies \pm\sqrt{6}=b

now the root gives us the +/-, which is it? well, we know the sine is negative, so the "b" value must be negative, so it has to be -√6 = b

thus  \bf sin(\theta)=\cfrac{opposite}{hypotenuse}\implies sin(\theta)=-\cfrac{\sqrt{6}}{3}
3 0
3 years ago
Trigonometry is hard someone help<br> Please :)
vlada-n [284]
<h3>Answer:  Approximately 35.54 degrees</h3>

=============================================================

Explanation:

With respect to reference angle x, the 5 is the opposite side, and the adjacent side is 7 units long.

We'll use the tangent ratio here

tan(angle) = opposite/adjacent

tan(x) = 5/7

x = arctan(5/7)

x = 35.5376777919743 approximately

x = 35.54

I rounded to two decimal places, but you can round however you need to or however your teacher instructs. Arctangent is the same as inverse tangent. Be sure that your calculator is in degree mode.

7 0
3 years ago
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