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Leya [2.2K]
3 years ago
13

Is y=4x-1 and 12x=3y+7 parallel, perpendicular, or neither

Mathematics
2 answers:
valina [46]3 years ago
5 0
First, you simplify 12x=3y+7. Subrtact 7 from both side, get 12x-7=3y. Divide 3 from both sides, get y=4x-(7/3). Your 2 equations are y=4x-1 and y=4x-7/3. The 2 lines are parallel, since they have the same slope but different b's.
icang [17]3 years ago
3 0

Answer:

Neither is the answer.

Step-by-step explanation:

If a line y = m₁x + c₁ and y = m₂x + c₂ are perpendicular to each other then m₁ × m₂ = -1

If both the lines are parallel to each other then m₁ = m₂

Now two lines have been given as

y = 4x - 1 ----------(1)

12x = 3y + 7

3y = -12x + 7

y = -4x + \frac{7}{3}------(2)

Now from equation (1) and equation (2),

m₁ = 4 and m₂ = -4

Since m₁ ≠ m₂

Therefore, these lines are not parallel

m₁ × m₂ = 4 × (-4) = -16

Therefore, both the lines are neither parallel nor perpendicular.

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2 years ago
The senior class at high school A rented and filled 3 vans and 6 buses with 306 students. High school B rented and filled 1 van
musickatia [10]

Answer:

8 students in each van ~ 22 in each bus

Step-by-step explanation:

- Equations:

8v + 8b = 240

4v + b = 54

------

- Modify:

8v + 8b = 240

8v + 2b = 108

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b = 22 (# of students in each bus)

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- Solve for "v":

4v + b = 54

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v = 8 (# of students in each van)

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3 years ago
1 centimeter = 3 meters. A rectangle with length 7 centimeters and width 1.75 centimeters.
artcher [175]

Answer:

The length if the garden is 21 meters.

The width of the garden is 5.25 meters.

If the scale changes to 1 cm : 9 meters, the new length of the garden is 63 meters and the new width of the garden is 15.75 meters.

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3 0
2 years ago
Graph the relation shown in the table. Is the relation a function? Why or why not?
patriot [66]

Answer:

The chosen topic is not meant for use with this type of problem. Try the examples below.

x + 6 y = 5

6 x + 2 y = 8

x − y + 4 = 8

Use the given functions to set up and simplify  

2 .

x y =

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3 =

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2 =

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2 = − 4

Step-by-step explanation:

Find the equation with a point and y-intercept.

y = ( y/ x  −  y )  x  +  x y

The chosen topic is not meant for use with this type of problem. Try the examples below.

( 0 , 9 )  ,  ( 8 , 6 )

( 0 , 9 )  ,  ( 5 , 4 )  ,  ( 1 , 4 )

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Answer:

The answer is 0

Step-by-step explanation:

Hope this helps:-)

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2 years ago
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