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Stells [14]
3 years ago
13

Using the triangle below, what is Cos A?

Mathematics
2 answers:
Stells [14]3 years ago
6 0

Answer:

a\b

Step-by-step explanation:

msgsewyjejjhensnsjmsgmyfydnansegnajtwmanae

tamaranim1 [39]3 years ago
6 0
The answer will be is a/b
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find the value of the polygon. the polygon has 6 interior angles 2 of them are y and 4 of them are (2Y-20)
Anna35 [415]
First we need to determine what the 6 angles must add to. Turns out we use this formula

S = 180(n-2)

where S is the sum of the angles (result of adding them all up) and n is the number of sides. In this case, n = 6. So let's plug that in to get

S = 180(n-2)
S = 180(6-2)
S = 180(4)
S = 720

The six angles, whatever they are individually, add to 720 degrees. The six angles are y, y, 2y-20, 2y-20,  2y-20,  2y-20, <span> 

They add up and must be equal to 720, so let's set up the equation to get...

(y)+(y)+(</span>2y-20)+(2y-20)+(2y-20)+(<span>2y-20) = 720

Let's solve for y

</span>y+y+2y-20+2y-20+2y-20+2y-20 = 720

10y-80 = 720

10y-80+80 = 720+80

<span>10y = 800
</span>
10y/10 = 800/10

y = 80

Now that we know the value of y, we can figure out the six angles

angle1 = y = 80 degrees
<span>angle2 = y = 80 degrees
</span><span>angle3 = 2y-20 = 2*80-20 = 140 degrees
</span>angle4 = 2y-20 = 2*80-20 =<span> 140 degrees
</span><span>angle5 = 2y-20 = 2*80-20 = 140 degrees
</span>angle6 = 2y-20 = 2*80-20 =<span> 140 degrees
</span>
and that's all there is to it
3 0
3 years ago
Please help me. I am pretty confused on this ​
Tanya [424]

Answer:

C

Step-by-step explanation:

16's square root is 4

8 0
3 years ago
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Frances read 4/5 of an article in three minutes. How much of the article did she read each minute?
Margarita [4]

Answer:

0.267

Step-by-step explanation:

0.2666666666666667

8 0
2 years ago
HELP WILL GIVE BRAINLIEST IF CORRECT
marysya [2.9K]
C. 1 only because csc x is the only one that has asymptotes at npi
4 0
3 years ago
For which inequality is x = 5 a solution?
adoni [48]
<h3>C. <u>x > 42 </u></h3>

<u>Hope</u><u> </u><u>this will</u><u> </u><u>help</u><u>.</u><u>.</u><u>.</u><u> </u>

7 0
3 years ago
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