Answer:
Step-by-step explanation:
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Answer:
1) 39
2) 59
3) 53
4) 38
5) 9
6) 12
7) 15
8) 11
Step-by-step explanation:
if the angles together is a right angle than you just subtract the angle that is known from 90 and you get your other angle.
1) 90 - 51 = b = 39
2) 90 - 31 = b = 59
3) 90 - 37 = b = 53
4) 90 - 52 = b = 38
5) 90 - 56 = 34
34 = 3x + 7
3x + 7 - 7 = 3x
34 - 7 = 27
3x = 27
3x / 3 = x
27 / 3 = 9
6) 90 - 48 = 42
42 = 3x + 6
3x + 6 - 6 = 3x
42 - 6 = 36
3x = 36
3x / 3 = x
36 / 3 = 12
7) 90 - 47 = 43
43 = 2x + 13
2x + 13 - 13 = 2x
43 - 13 = 30
2x = 30
2x / 2 = x
30 / 2 = 15
8) 3x + 5x + 2 = 90
8x + 2 = 90
8x + 2 - 2 = 8x
90 - 2 = 88
8x = 88
8x / 8 = x
88 / 8 = 11
The distance between the points is 
Step-by-step explanation:
The formula of the distance between two points 
and
is 
To find the distance between two point:
- Put one of the two point as
- Put the other point as
- Substitute then in the rule of the distance and calculate the distance
∵ The two points are (18 , -2) and (6 , -10)
- Put (18 , -2) as and (6 , -10) as
∴ 
= 18 and 
= 6
∴ 
= -2 and 
= -10
- Substitute them in the rule below
∵
∴ 
∴ 
∴ 
∵ (-12)² = 144 and (-8)² = 64
∴ 
∴ 
∵ 
∴ 
The distance between the points is
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Answer:
19x−47
Step-by-step explanation:
19x+−25+21+−43
You gotta combine the like terms
(19x)+(−25+21+−43)
19x+−47
