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lesantik [10]
3 years ago
5

The formula for the area of a circle is A = πr^2. Which equation shows the formula in terms of r?

Mathematics
1 answer:
Julli [10]3 years ago
6 0
A=\pi r^2\\\\\pi r^2=A\ \ \  |\text{divide both sides by}\ \pi\\\\r^2=\dfrac{A}{\pi}\ \ \ \ |\text{square root both sides}\\\\r=\sqrt{\dfrac{A}{\pi}}
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JL=84. If JK =5x+8 and KL= 4x+4 then x=?
Nataliya [291]
If the whole line is JL, then JK+KL=JL
JK:5x+8
KL:4x+4
5x+8+4x+4=84
Get all like terms on one side
5x+8+4x+4=84
-8 -4
5x+4x= 72
9x=72
x=8
Plug it into the equation
5(8)+ 8= 48
4(8)+4= 36
———————
84
So x=8
JK=48
KL=36


7 0
3 years ago
Who can help me with my last question?​
Scrat [10]
Where the question cuz i don’t see it
3 0
3 years ago
Read 2 more answers
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Tcecarenko [31]
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6 0
3 years ago
You are downloading a song. The percent y(in decimal form) of megabytes remaining to download after x seconds is y=-0.1x+1.
igomit [66]


I would make the equation have both of your variables on the same side:

0.1x+y=1

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In this case the whole number is 1. 1/0.1=10

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3 0
3 years ago
Read 2 more answers
20 POINTS AND BRAINLIEST!!!!!!!!!!!!!!!!!!
wolverine [178]
Look for points with whole number coefficients.  (2,4) is such a point; (0,1) is another.  To find points on the graph of the inverse of this function, all we have to do in this case is to reverse the order of the coefficients, so 

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7 0
3 years ago
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