2 years ago

Help if you can -

Mathematics

1 answer:

yulyashka [42]2 years ago

4 0

Answer:

1.875 commercials a minute

Step-by-step explanation:

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A rectangle has a perimeter of 84 meters. One dimension is 7 meters. How long is

Lemur [1.5K]

Answer:

The unknown dimension is 35

Step-by-step explanation:

The perimeter of a rectangle is l+l+w+w or 2l+2w (l=length, w=width)

$l+l+w+w=84$

$7+7+w+w=84$

$14+w+w=84$

then we subtract 14 from 84

$w+w=70$

$2w=70$

$\frac{70}{2}=35$

$w=35$

Let's check our answer

$35+35+7+7=84$

Hope this helps :-)

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Step-by-step explanation:

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