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qaws [65]
3 years ago
11

100 PTS:Please help me now plz plz I promise I will mark you brainliest

Mathematics
2 answers:
Setler [38]3 years ago
8 0

Answer:

\cos \beta = \dfrac{8}{17}

Step-by-step explanation:

\cos A = \dfrac{adj}{hyp}

For angle beta, adj = BC = 8, and hyp = AB = 17

\cos \beta = \dfrac{adj}{hyp}

\cos \beta = \dfrac{BC}{AB}

\cos \beta = \dfrac{8}{17}

r-ruslan [8.4K]3 years ago
4 0

Answer:

Cos B = 8/17

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

cos B = adjacent/ hypotenuse

Cos B = 8/17

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4 years ago
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What's the value of the X ?
taurus [48]

Question

What's the value of the X ?

Answer:

<h2>39°</h2>

Step-by-step explanation:

The sum of the interior angles is 180° (triangle)

take off from 180° the sum of the know numbers


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4 years ago
Which line is parallel to 2x - y = -3 and goes through (5, 5)?<br><br>​
Sunny_sXe [5.5K]

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G. y=2x-5

Step-by-step explanation:

First, find the slope from 2x-y=-3

-y=-2x-3

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let y=mx+b, where m=2, y=5, x=5

5=2(5)+b

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