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IgorLugansk [536]
3 years ago
7

--(12x – 20) = 5 - 3x

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
8 0

Answer:

Step-by-step explanation:

distrbut the negative

-12x+20=5-3x

then add 3x =-9

then u subtract 20

then it is -15

-9x=-15

then u dived by -9

the u get positive

x=15/9

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Sergeu [11.5K]

I think we're not supposed to do more than 3 problems in one answer; certainly not five pages. Does the 1/3 mean there are 10 more to come?

I'll do the first page.

6)

Right triangle, opposite side of 10, adjacent side of 21,

tan x = opp/adj = 10/21

x = arctan 10/21 = 25.46°

Answer: 25

7)

cos x =   adj / hyp = 10/14

x = arccos 10/14 = 44.42°

Answer: 44

8)

tan x = opp/adj = 12/24 = 1/2

x = arctan 1/2 = 26.57°

Answer: 27

9)

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10)

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3 years ago
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