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Reika [66]
3 years ago
6

If 2xº and (2x - 20) are a pair of adjacent supplementary angles, find thevalue of x.​

Mathematics
1 answer:
kifflom [539]3 years ago
8 0

Answer:

x = 50

Step-by-step explanation:

Since the two angles are supplementary, add them together and set them equal to 180 degrees

2x + 2x - 20 = 180          Combine like terms

4x - 20 = 180

   + 20   + 20                 Add 20 to both sides

4x = 200                        Divide both sides by 4

x = 50

If this answer is correct, please make me Brainliest!

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Step-by-step explanation:

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3 years ago
A). A(n)= 46-n * (4-1)<br> B). A(n)= 46 - (n-1)*4<br> C). A(n)= 46 - 4^n-1<br> D). A(n)= 46 - 4^n+1
UkoKoshka [18]
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4 years ago
What is 779,000,000 in scientific notation
DIA [1.3K]

Answer:

799 x 10^6

Hope this helps

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4 0
3 years ago
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6 0
2 years ago
The Martinez family went to play and paid $13 for 1 adult and 4 children. The Hernandez family went to the same place and paid $
andrey2020 [161]

Answer: the price for an adult ticket is $3

Step-by-step explanation:

Let x represent the price of one adult ticket.

Let y represent the price of one child ticket.

The Martinez family went to play and paid $13 for 1 adult and 4 children. This means that

x + 4y = 13 - - - - - - - - - - -1

The Hernandez family went to the same place and paid $14 for 3 adults and 2 children. This means that

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Multiplying equation 1 by 3 and equation 3 by 1, it becomes

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Substituting y = 2.5 into equation 1, it becomes

x + 4 × 2.5 = 13

x + 10 = 13

x = 13 - 10

x = 3

6 0
3 years ago
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