4 years ago

HELPPP plzzz in 12 thank uu

1 answer:

6 0

First simplify the ewuations

2x+6y=18
divide by 2
x+3y=9

3x+9y=27
divide by 3
x+3y=9

since x+3y=9 and x+3y=9 are the same, there are infinite solutions because they are the same equation and they are equations of lines which extend infinietley

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LiRa [457]

Of means multiplication in mathematics

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7 0

3 years ago

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Which of the following are solutions to -2.7 + x = -3.5?

algol [13]

Answer:

-3.5+27

Step-by-step explanation:

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3 years ago

A circle has a circumference of 12 it has an arc of length 11 what is the central angle of the arc in degreesA circle has a circ

Ilia_Sergeevich [38]

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Step-by-step explanation:

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3 years ago

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wel

Answer:

Year 1: 164.87

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3 0

3 years ago

At an amusement park , the cost of 3 adult tickets and 4 children’s ticket is $126.50 another customer paid $120.50 for 2 adult

KonstantinChe [14]

Answer:

1 Adult ticket=$21.50 ; 1 Children ticket=$15.50

Step-by-step explanation:

3A+4C=126.50

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15A+20C=632.5

8A+20C=482

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Now we find Children ticket

6A+8C=253

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4 0

4 years ago