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Nadya [2.5K]
3 years ago
5

A line has a slope of 1 9 and includes the points ( – 6,z) and (3,1). What is the value of z?

Mathematics
1 answer:
vaieri [72.5K]3 years ago
5 0

Answer:

z = - 170

Step-by-step explanation:

Calculate the slope m using the slope formula and equate to 19

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (3, 1) and (x₂, y₂ ) = (- 6, z)

m = \frac{z-1}{-6-3} = \frac{z-1}{-9} = 19 ( multiply both sides by - 9 )

z- 1 = - 171 ( add 1 to both sides )

z = - 170

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Write two numbers that multiply to the value on top and add to the value on bottom
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Answer:

9 and 3

Step-by-step explanation:

if we multiply 9 and 3 we get 27

also when we add 9+3= 12

4 0
3 years ago
Find the axis of symmetry, vertex and y - intercept of the function
Inessa [10]

Answer:

see explanation

Step-by-step explanation:

The axis of symmetry is a vertical line with equation x = c

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3 0
3 years ago
What is 43 tens x 3 tens???
Veronika [31]

43 tens = 43 x 10 = 430

3 tens = 3 x 10 = 30

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430 x 30 = 12900

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hope this helps

5 0
3 years ago
Which is the graph for this system <br> {y=−x+4 <br> {y=x−2
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Here is the screenshot of the graph.

8 0
4 years ago
PLEASE HELP ME ASAP!
AleksandrR [38]

Ok so first we find the equation that equals one variable.


2y = -x + 9

3x - 6y = -15


We solve for y.


2y = -x + 9

y = -x/2 + 9/2


Then we plug in this y value into the other equation to keep only one variable so we can solve for it.


3x - 6y = -15

3(-x + 9/2) - 6y = -15

-3x + 27/2 - 6y = -15

-9y + 27/2 = -15

-9y = 3/2

-y = 3/18

y = -3/18


Then we plug in this numerical y-value into the first equation which we found out by solving an equation for y.


y = -x/2 + 9/2

-3/18 = -x/2 + 9/2

-84/18 = -x/2

-x = 9 1/3

x = -28/3


Your answer would be (-28/3, -3/18)


Hope this helps!

6 0
4 years ago
Read 2 more answers
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