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2 years ago

Find the equation of the line that passes through the following lines points (0,-1) and (3,12).

Mathematics

1 answer:

Temka [501]2 years ago

8 0

Answer:

y=13/3x-1

Step-by-step explanation:

k=(y2-y1) /(x2-x1)

A(0,-1) x1=0,y1=-1

B(3,12) x2=3, y2=12

k=(12-(-1))/(3-0)

k=(12+1)/3

k=13/3

y-y1=k(x-x1)

y-(-1)=13/3(x-0)

y+1=13/3*x

y=13/3*x-1

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2 years ago

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2 years ago

The table shows locations on a map.

Nina [5.8K]

Answer:

The table shows locations on a map.

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(-2,2)
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Step-by-step explanation:

Distance :---

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2 years ago

Help me with number 9 please

olga nikolaevna [1]

Answer:

yes, it is (3,2)

Step-by-step explanation:

quadrant

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2nd (+,+)

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2 years ago

Portia bought 12 bushes and 30 flowers for $240 to plant in her yard. Later, she realized she did not have enough plants and bou

Anni [7]

Answer: the cost of each bush is $15

the cost of each flower is $2

Step-by-step explanation:

Let x represent the cost of each bush.

Let y represent the cost of each flower.

Portia bought 12 bushes and 30 flowers for $240 to plant in her yard. This is expressed as

12x + 30y = 240- - - - - - - - - - -1

Later, she realized she did not have enough plants and bought 7 more bushes and 10 more flowers for $125. This is expressed as

7x + 10y = 125- - - - - - - - - - -2

Multiplying equation 1 by 7 and equation 2 by 12, it becomes

84x + 210y = 1680

84x + 120y = 1500

Subtracting, it becomes

90y = 180

y = 180/90

y = 2

Substituting y = 2 into equation 1, it becomes

12x + 30 × 2 = 240

12x + 60 = 240

12x = 240 - 60 = 180

x = 180/12

x = 15

8 0

3 years ago

Find the equation of the line that passes through the following lines points (0,-1) and (3,12).​

Find the equation of the line that passes through the following lines points (0,-1) and (3,12).