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sweet [91]
3 years ago
11

Help pls!Pls and ty!

Mathematics
1 answer:
faltersainse [42]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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Which is not an equation of the line going through (6, 7) and (2, –1)?
garri49 [273]
Answer - D.

you basically find the equation of the line first and eliminate the wrong answers...

Strategy:  before u do any of this, label your coordinates as (X1,Y1) and (X2,Y2) and u can choose any of ur points to be as x1 or x2 or y1 or y1...
basically, I'll choose (6,7) as (x1,y1) and (2,-1) as (x2,y2). SO,

First you have to  find the gradient (m) of the line.
  you do this by using the formula m = Y2-Y1 / X2-X1 (where '/' is division sign) ....
Put the numbers in their respective places and your gradient will be 2x. we put the x after our number to represent it as a gradient as the straight line formula is y = mx+c and you've found the m.
NOW.
use the formula Y-Y1=m(x-x1) to find the equation of the line.Again u can use any Y1 and X1 here but remember your m is 2

replace the digits and solve...Hopefully you'll get sth like this if you use the points (6,7):
Y-7 = 2(x-6) ....
y=2x-12+7...
Y=2x-5! <<<< this is your straight line equation!
Now all u gotta do is rearrange all your options into y = mx+c.
D. is incorrect as it gives us y=2x+5 and not y = 2x-5 unlike the others 
 

Hope you get it!




7 0
3 years ago
SOMEONE please help me!!!!!!!!!!!
Zinaida [17]

Answer:

First is death valley it goes on the bottom, next is New Orleans its after death valley, Next is Washington it goes in the middle, next is Dublin its after Washington, Lastly is Paris it goes on the top

Step-by-step explanation:

4 0
3 years ago
Sarah and Gabriela are at a soccer camp. The length of a soccer practice is 2/3 hour. The coaches have set aside 8 hours for soc
Nesterboy [21]

Answer:

12 soccer practices

Step-by-step explanation:

1 Soccer practice = 2 / 3 hour

We have 8 hours

8 / 2/3

multiply the top and bottom by 3 to get rid of the 3

8 * 3 = 24

2/3 * 3 = 2

24 / 2 = 12

4 0
3 years ago
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Jordan uses a linear equation to model the data in a table. Which reasoning might Jordan have used in the decision to model the
Mariulka [41]
The last option:The change in y-values is constant for evenly spaced x-values.

Remember that the change in y divided by the change in x is the slope of a line and it is constant.



3 0
3 years ago
Read 2 more answers
Help! 15 points offered read attachment
gizmo_the_mogwai [7]

Answer:

A you just didive the flour by how many serverings

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