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https://vle.mathswatch.co.uk/images/questions/question18450.png

plz help

thank you

 Mar 24, 2020
 #1
avatar+392 
0

cphill is the not only one that can help u here we can all help u :)

 Mar 24, 2020
 #2
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-1

oh i thought it was on eperson sos.

plz can you help

Guest Mar 24, 2020
 #3
avatar+1970 
+2

I'll help! Since the gradient is (change in y-coordinate)/(change in x-coordinate), we can find out d.


We know that y2-y1/x2-x1 will get us the gradient, so we will plug in the values.

 

(21-6)/(d-4)=3. 

15/(d-4)=3

d-4=5

Therefore, d=9.


Hope this helped!

 Mar 24, 2020
 #5
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0

thank you

Guest Mar 24, 2020
 #4
avatar+392 
+1

sorry if i was a little mean

 Mar 24, 2020

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