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MrMuchimi
3 years ago
7

What is the slope of 4x-3y=9

Mathematics
2 answers:
sashaice [31]3 years ago
7 0
4x-3y=9\\
-3y=-4x+9\\
y=\dfrac{4}{3}x-3\\\\\\
m=\dfrac{4}{3}
IrinaVladis [17]3 years ago
4 0
First put the equation into slope-intercept form. 4x -3y=9 -3y=9-4x -y=3-4/3x y=4/3x - 3 From there you can see that the number in front of x is your slope, so 4/3 in this case Hope that helps!!
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Factor the polynomial. 24w8 + 30w6
PilotLPTM [1.2K]
The answer to the question is c

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3 years ago
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Factorise completely:<br> 12a+8b
zavuch27 [327]
12a + 8b....common factor is 4
4(3a + 2b) <==
6 0
3 years ago
What are the coordinates of the vertex of the parabola represent by the equation y=-5x^2+30x-25
Jobisdone [24]

Answer:

The coordinate of the  vertex of the parabola is (h,k) =  (3,20)

Step-by-step explanation:

The given equation of the parabola is y=-5x^2+30x-25

Now, the General Parabolic Equation is of the form:

y = a (x-h)^2 + k, then the vertex is the point (h, k).

Now, to covert the given equation in the standard form:

y=-5x^2+30x-25   = -5(x^2  -6x   + 5)

Using the COMPLETE THE SQUARE METHOD,

-5(x^2  -6x   + 5)  = -5(x^2  -6x  +  (3)^2 +  5  - (3)^2)\\\implies -5(((x^2  -6x +(3)^2)  + 5 - 9)\\= -5((x-3)^3 -4)\\= -5(x-3)^2 + 20

ory = -5(x-3)^2 + 20

⇒The general formed equation of the given parabola is

y  = -5(x-3)^2 + 20

Comparing this with general form, we get

h = 3, k = 20

Hence, the coordinate of the  vertex of the parabola is (h,k) =  (3,20)

5 0
3 years ago
2. What is the value of x? Show your work.
viktelen [127]

Answer:

7

Step-by-step explanation:

→ Find the scale factor

30 ÷ 25 = 1.2

→ Multiply answer by 20

20 × 1.2 = 24

→ Equate equation to 24

4x - 4 = 24

→ Add 4 to both sides

4x = 28

→ Divide both sides by 4

x = 7

5 0
1 year ago
25.7 divided by 1.8
ololo11 [35]
The answer is 14.27 :) correct me if wrong I think I am
7 0
3 years ago
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