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xxMikexx [17]
3 years ago
5

Erin was able to map line segment \overline{AB}

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

There is no error

Step-by-step explanation:

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3(x + 2) + 4(x - 5) = 10
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Step-by-step explanation:

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The cost of admission to a popular music concert was 162 dollars for 12 children and 3 adults.The admission was 122 dollars for
pogonyaev

Answer: the cost of admission for each child is $10

the cost of admission for each adult is $14

Step-by-step explanation:

Let x represent the cost of admission for each child.

Let y represent the cost of admission for each adult.

The cost of admission to a popular music concert was 162 dollars for 12 children and 3 adults. This is expressed as

12x + 3y = 162- - - - - - - - - - - - -1

The admission was 122 dollars for 8 children and 3 adults in another music concert. This is expressed as

8x + 3y = 122- - - - - - - - - - - - -2

Subtracting equation 2 from equation 1, it becomes

4x = 40

x = 40/4

x = 10

Substituting x = 10 into equation 1, it becomes

12 × 10 + 3y = 162

120 + 3y = 162

3y = 162 - 120

3y = 42

y = 42/3

y = 14

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3 years ago
Expand and simplify (3m-2n)²​
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Step-by-step explanation:

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to make a rectangle one pair of opposite sides of a square was made 50% longer and the other pair of opposite sides was made 50%
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