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nataly862011 [7]
4 years ago
9

R(r1+r2)=r1r2 How do I solve for r

Mathematics
1 answer:
Studentka2010 [4]4 years ago
7 0
The answer is r = 0,3

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A student said thst the distance between (-5,7) and (3,7) is 2 units<br>is the student correct?
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7 0
3 years ago
How do you work this out? need help asap
Svetlanka [38]
Hello,

Line 1 is passing through (-4,3), (-2,7) has a slope of (3-7)/(-4+2)=2

Line 2 is passing through (2,9), (4,1) has a slope of (9-1)/(2-4)=-4

One other way:

y=9-1/2 x²
y'=-x

gradient 1=-(-2)=2 for point (-2,7)

gradient 2=-(4)=-4 for point(4,1)



6 0
3 years ago
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