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tamaranim1 [39]
2 years ago
14

Find the missing angle

Mathematics
2 answers:
trapecia [35]2 years ago
5 0
It’s 100
because to find missing angles you add together the known angles then subtract that from 180
69+11 = 80
180- 80 = 100
labwork [276]2 years ago
3 0

Answer:

x=21

Step-by-step explanation:

69+90= 159

180-159=21

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12 = -4(-6x - 3)<br><br> x= <br><br> i made this 19 points please help
7nadin3 [17]

Answer:

0

Step-by-step explanation:

-4 times -6x is 24x and-4 x -3 = 12

isolating 24x on the right side we subtract twelve on the right and on the left to get 24x=0 and 24 divided by zero is 0

7 0
2 years ago
Read 2 more answers
What is the difference between certain and impossible?.
kaheart [24]
Certain events have a 100% probability of occurring, and impossible events have a 0% chance of occurring.

Theoretical probability is based on a mathematical estimate, whereas experimental probability is a probability determined based off of an experiment.
7 0
3 years ago
I don't understand how to begin this problem
Ronch [10]
I would first add 5 and 2 together, then multiply that by 3. Finally you would subtract the 1. After solving for what is inside the parentheses you would multiply it by 2 for your final answer.

2•(3(5+2)-1)
2•(3(7)-1)
2•(21-1)
2•(20)
40
7 0
3 years ago
F
galina1969 [7]
It’s F because I took the test
8 0
3 years ago
Can someone help me please
Margarita [4]

Answer:

46

Step-by-step explanation:

Solution :

Remember that the sum of complementary angles is always 90°.

First, finding the value of x :

Set up an equation :

( Being complementary angles )

Solve for x

{ Remove unnecessary parentheses }

{ Combine like terms }

{ Subtract 3 from 30 }

{ Move 27 to right hand side and change it's sign }

{ Subtract 27 from 90}

{ Divide both sides by 9 }

The value of X is 7°

Now, Replacing the value of x in order to find the value of  B

{ Plug the value of x }

{ Multiply 7 by 7 }

{ Subtract 3 from 49 }

The measure of  B is 46°

7 0
3 years ago
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