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insens350 [35]
3 years ago
10

PART A:

Mathematics
1 answer:
elixir [45]3 years ago
3 0
A and C are complementary 
B is supplementary 
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1
Mariana [72]

Answer:

x = 6

Step-by-step explanation:

∠ DBC + ∠ ABC = ∠ ABD , substitute values

5x - 4 + 8x - 3 = 79

13x + 1 = 79 ( subtract 1 from both sides )

13x = 78 ( divide both sides by 13 )

x = 6

8 0
3 years ago
If 3 × 8 = 24, which expression must equal 3?<br><br> 8 ÷ 24<br> 8 ÷ 3<br> 24 ÷ 8<br> 24 ÷ 3
lapo4ka [179]
8 divided by 24 = 0.33
8 divided by 3 = 2.6
24 divided by 8 = 3
24 divided by 3 = 8
7 0
3 years ago
What is the value of(3)^3 <br> 10
torisob [31]
If the 10 is being multiplied it’s 90
4 0
3 years ago
If M and N are midpoints in a diagram below, determine values for x and y
lianna [129]
Research scientists use a standard practice called the _____ method to help them understand phenomena.
5 0
3 years ago
Read 2 more answers
‼️ PLEASEE HELPPP ‼️
Naddik [55]

Answer:

30

Step-by-step explanation:

3x - 27 = x +11

3x -27 +27 = 11 + 27

3x - x = x -x + 38

2x = 38

2x ÷ 2 = 38

X = 19

19 × 3 -27 = 30

4 0
3 years ago
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