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Elodia [21]
3 years ago
6

C=K(Rr/R-r) solve for R Pweese help.

Mathematics
1 answer:
Monica [59]3 years ago
5 0

Answer:

hjv

Step-by-step explanation:

jvfkydf.;jurdfrtkuo7g

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Elden [556K]

Answer:

Step-by-step explanation:

these seem complicated,  but just think about what they are asking.  they are giving you a point and a slope to a line.  

That gives you the hint to use the "point-slope"  formula

if you don't have it memorized you might as well start trying to now.  You'll need this over and over and over...

y-y1=m(x-x1)

so plug in the given info

y-4= (-1/4)(x-(-2))

y-4 = -1/4 (x +2)

y-4 = (-1/4)x  -1/2

y = (-1/4)x + 7/2   this is the slope intercept formula. y = mx +b

we can now graph this line with the slope intercept formula.

note the graph does pass through (-2,4)  and has a  -1/4 slope   :)

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1 year ago
Find the value of k by<br>quardractic equation two real and equal roots<br>5x - 2kx +20=0​
kotegsom [21]

Answer:

k = +10 or -10

Step-by-step explanation:

It's given in the question that the roots of the eqn. are real and equal. So , the discriminant of the eqn. should be equal to 0.

=  >  {b}^{2}  - 4ac = 0

=  >  {( - 2k)}^{2}  - 4 \times 5 \times 20 = 0

=  > 4 {k}^{2}  - 400 = 0

=  > 4( {k}^{2}  - 100) = 0

=  >  {k}^{2}  - 100 = 0

=  > k =  \sqrt{100}  =  + 10 \: or \:  - 10

3 0
3 years ago
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x=2                   ;)                    2 plus 23 = 25  

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Answer:

112 cm^{2}

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A=bh

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X % of $5 = $4<br><br> Please help
ASHA 777 [7]
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Explanation 4/5=.8
4 0
3 years ago
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