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Rom4ik [11]
3 years ago
10

Please help ONLY ONE QUESTION !!

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
6 0

Answer:

slope = - 4, y- intercept = 9

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 4x + 9 is in slope- intercept form

with slope m = - 4 and y- intercept c = 9

A proportional relationship has the form

y = mx

y = - 4x + 9 is not in this form

Hence the relationship is not proportional

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WILL GIVE BRAINLIEST
Rom4ik [11]
I don’t really know what it is but you can cross out A, B, and F for sure.
6 0
2 years ago
the scale of a model train is 1 inch to 13.5 feet. One of the cars of the model train is 5 inches long. What is the lenght, in f
Dominik [7]

Answer:

67.5

Step-by-step explanation:

6 0
3 years ago
Line CD passes through points C(3, –5) and D(6, 0). What is the equation of line CD in standard form?
Elden [556K]
Slope =   (y₂- y₁) / (x₂- x₁)

Points  C( 3, -5) and D (6, 0)  compare to (x₁, y₁) and  (x₂, y₂)

Slope = (0 - -5) / (6- 3)  =   (0+5) / (3) =  5/3

Slope = 5/3

Equation of line given a slope and point,   y - y₁ = m(x - x₁)

m = 5/3,    let point C( 3, -5) = (x₁, y₁)

  y -  - 5 =  (5/3) (x - 3)
 
  y + 5  = (5/3)(x - 3)

   3(y + 5) = 5(x - 3)
  
    3y + 15 = 5x - 15

     3y =  5x - 15 - 15

     3y = 5x - 30

Hence the equation of the line is 3y = 5x - 30
5 0
3 years ago
Write the standard form of the equation: <br> y=5/2(x+2)
Aleonysh [2.5K]

Answer:

y=5/2 x

Step-by-step explanation:

The standard form of a linear equation is Ax +By=C

5 0
3 years ago
Y=1/5x+14 when b=7? how do i solve this?
a_sh-v [17]

Answer:

Step-by-step explanation:

Y = 1/5 x + 14 where b = 7

Result:

x + 70 = 5 Y

Geometric figure:

line

Alternate forms:

x = 5 Y - 70

x - 5 Y + 70 = 0

Real solution:

Y = x/5 + 14

Solution:

Y = x/5 + 14

Integer solution:

x = 5 n, Y = n + 14, n element Z

Solution for the variable x:

3 0
3 years ago
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