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Sergeu [11.5K]
3 years ago
12

Find the equation of the line

Mathematics
1 answer:
scoray [572]3 years ago
7 0

Answer:

please I can't see any question

but the equation of a line is

y- y1 =m(x-x1)

where m is the the gradient of the line

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6 0
3 years ago
Plz help me with this questions and show working out thanks
Paraphin [41]

Answer:  The steps and answers to the first two are below but you need to understand slope  = change in y / change in x  = y2 - y1/ x2 - x1  

And you need to understand  y = mx + c  

m= slope   c is y intercept

Substitute either point given  - only use one as the x and y  and find c

Step-by-step explanation:

1.      You need to follow the steps -

          the point is given as  (2,5)  = (x,y)  

So what this means is  x =2 and y =5

Simple substitutions is the step  5   = 3 x 2 + c

                                                     5 = 6 + c  or easier to see is  c + 6 =5

subtract 6 from both sides   c +  6   =  5

                                                    -6      -6

                                           __________________

                                              c           =  -1

2.

 x1,y1           x2,y2

( 3,2)   and (5,6) are two points on the line  

you already calculate the slope which is   m = noy2-y1/x2-x1 = 6-2/5-3 = 4/2 = 2

Remember y= mx + c

                   y = 2 x + c

now substitute in (3,2) which is (x1, y1) into the x and y in your equation

                  2  = 2 (3)  + c

                  2 = 6 + c

 subtract 6 from both sides

                  -4 = c

Now you should use this and do your last question  yourself

5 0
2 years ago
I need the answers to these questions please people on here?
Effectus [21]
2. 225
4. 25/36
6. 0.001
8. 8-20=-12
10. 34-16=18
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14. ?? confused...
16. 8
18. 11.5+4=15.5
20. 3(225)+10=675+10=685
6 0
3 years ago
Midpoint of (-8,7) and (-9,11)
olga55 [171]

Answer:

(-8.5,9)

Step-by-step explanation:

((-8+(-9))/2=-8.5

(7+11)/2=9

(-8.5,9)

8 0
3 years ago
Read 2 more answers
One month, a homeowner used 150 units of gas and 520 units of electric for a total cost of $84.20. The next month, 210 units of
Tom [10]

Answer:

gas = $0.23, electricity = $0.10

Step-by-step explanation:

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