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DochEvi [55]
3 years ago
10

Find the marked angles . Some construction may be necessary​

Mathematics
1 answer:
Tpy6a [65]3 years ago
7 0

Step-by-step explanation:

126 / 2 = 63 because the circular angle is 1/2 of the center angle

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What is the answer to 13% of eighty nine
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erastovalidia [21]

Answer:

1. KLP + PLM = 180 degrees (straight line)

2. 3x + angle PLM = 180 degrees

3. angle PLM = 180 - 3x

4. PMN = P + PLM (Exterior angle)

5. 2x + 72 = x + 180 - 3x

6. x = 27

Step-by-step explanation:

1. Notice that angle KLP + angle PLM is a straight line, so KLP + PLM = 180 degrees (straight line)

2. angle KLP = 3x, so

3x + angle PLM = 180 degrees

3. angle PLM = 180 - 3x

4. PMN = P + PLM (Exterior angle)

5. 2x + 72 = x + 180 - 3x

6. 5 gives 4x = 108, so x = 27

6 0
3 years ago
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The sum of Sally’s age plus Thomas’s age is 12. The difference of Sally’s age and Thomas’s age is 3. Writeand solve a system f e
den301095 [7]
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<span>Let
Sally's age = s
Tomas's age = t 

The sum of sally's age plus twice tomas's age is 12
s+2t=12...........(1)
The difference of sally's age and tomas' is 3.
s-t=3
s=3+t.........(2)
Put the value of s from (2) to (1)
s+2t=12...........(1)

3+t+2t=12
3t=12-3
3t=9
t=9/3
t=3
Put the value of t in (2)
s=3+t
s=3+3
s=6 

Sally's age = s = 6
Tomas's age = t = 3

</span>
4 0
4 years ago
Solve -17 = x/-3 for x . x =
meriva

Answer:

x= 51

Step-by-step explanation:

-17=x/-3

(-3)-17=(x/-3)(-3)

51=x

Multiply the denominator of the fraction on both sides of the equation to isolate the variable.  

8 0
3 years ago
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