Let the width be x cm.
Then length=3x-4 cm.
Its perimeter is 64 cm.
We know that perimeter of a rectangle= 2(length+width)
So,
2(3x-4+x)=64
6x-8+2x=64
6x+2x=64+8
8x=72
x=9
Therefore,
length=(3×9-4)cm=(27-4)cm=23 cm.
Width=9 cm.

5 0

2 years ago

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Find the equation of the line with the giving point and slope:<br><br> (4,-3), m= -1

kondaur [170]

Y+3=-x+4
y=-x+4-3
y=-x+1

8 0

2 years ago

HELP MEH PLS! Will mark brainliest :3<br> Simplify it- don't solve it. Show your work too pls!

Ksju [112]

Answer:

Step-by-step explanation:

$(1/5k)^2=1/5^2*k^2$

$1/25*k^2=\frac{k^2}{25}$

6 0

2 years ago

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Pat was shopping and found a

Svetllana [295]

93% you have to divide the $120 by $12 and then multiply what you get by $12

5 0

2 years ago

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