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jekas [21]
3 years ago
14

Ples help and ples give derect awnser not a link you will get brainly if u do

Mathematics
1 answer:
slamgirl [31]3 years ago
7 0
Im sorry i don’t know this but you should try photomath, it might help!
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Use each picture or description of a triangle, write and solve an equation in order to find the number of degrees in each angle
TiliK225 [7]

4x + 7x - 2 + 5x - 10 = 180

16x - 12 = 180

16x = 192

x = 12

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m<B = 7x - 2 = 7(12) - 2 = 84 - 2 = 82

m<C = 5x - 10 = 5(12) - 10 = 60 - 10 = 50

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3 years ago
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lisabon 2012 [21]
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2 years ago
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Find a unit vector that has the same direction as the vector a and the opposite direction of the vector
nasty-shy [4]
The unit vector is given by the following formula:
 a '= (a) / (lal)
 Where,
 a: vector a
 lal: Vector module a
 We are looking for the module:
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 lal = 17
 Same direction:
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 The unit vector is:
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 Opposite direction:
 a = 15i - 8j
 The unit vector is:
 a '= (1/17) * (15i - 8j)
 Answer:
 
a unit vector that has the same direction as the vector a is:
 
a '= (1/17) * (- 15i + 8j)
 
a unit vector that has the opposite direction of the vector a is:
 
a '= (1/17) * (15i - 8j)
5 0
2 years ago
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Ronch [10]
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