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IceJOKER [234]
3 years ago
8

write the standard form of the line that passes through the given points include your work in your final answer type your answer

in the Box provided or use the upload often to submit your answer. (1,1) and (3,4)
Mathematics
1 answer:
Gemiola [76]3 years ago
4 0
The slope is change in "Y" divided by the change in "x"
1-(-3)/2-(-1)
 = 4/3

Standard Form
y-y1=m(x-x1)
y-(-3)=4/3(x-(-1)
y+3=4/3x+4/3
y=4/3x-5/3

Rewrite in standard form
-4/3x+y=-5/3
Can't have fractions so multiply by 3 to get rid of the denominator
-4x+3y=5
Divide by -1 to get rid of the negative sign

4x-3y=-5


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Question #7multiplechoice score: in a certain candy store, 3 pounds of candy and 2 pounds of mints cost $10.80, and 1 pound of c
irga5000 [103]
Let the cost of one pound of candy be x and one pound of mint be y.

3x+2y=10.8 a 
x+3y = 5.35  b 
 B*3 = 3x+9y = 16.05 b
 
b-a = 7y = 16.05-10.8= 5.25
           y = 5.25/7 = 0.75 

The cost per pound of mints is $0.75 


6 0
3 years ago
Solve the system of equations<br> 12x-5y=-20<br> y=x+4<br><br> x=_______<br><br> y=_______
pashok25 [27]

Answer:

x = 0

y = 4

Step-by-step explanation:

Given

12x - 5y = -20

y = x + 4

Substitute x + 4 for y in the first equation

12x - 5(x + 4) = -20

Expand the bracket

12x -5 X x - 5 x 4 = -20

12x - 5x - 20 = -20

7x - 20 = -20

Add 20 to both sides to eliminate -20 on the left side

7x - 20 + 20 = -20 + 20

7x = 0

Divide both sides by 7 to isolate x

7x/7 = 0/7

x = 0

Substitute 0 for x in either equation to get y

Using equation 2, we have

y = x + 4

= 0 + 4

= 4

x = 0

y = 4

3 0
3 years ago
I really help with this ill mark u brainliest pls
erma4kov [3.2K]

Answer:

m\angle XYW  = (155 - 20x)\degree

Step-by-step explanation:

m\angle XYZ= m\angle XYW +m\angle WYZ\\\\150\degree = m\angle XYW +(20x-5)\degree \\\\150\degree - (20x-5)\degree = m\angle XYW  \\\\(150 - 20x+5)\degree = m\angle XYW  \\\\(155 - 20x)\degree = m\angle XYW  \\\\m\angle XYW  = (155 - 20x)\degree \\\\

7 0
3 years ago
Can u help me answer that question ​
leva [86]

Answer:

I dunno

Step-by-step explanation:

You cant see the words lol

3 0
3 years ago
There are 16 students in a class with wooden pencils. There are 20 students in a class with mechanical pencils. If a school has
svet-max [94.6K]

Answer:

maybe 100 cheak it please

5 0
3 years ago
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