3 years ago

Please Help!

1 answer:

enot [183]3 years ago

5 0

A
Because she deposits the same amount but got 60 dollars more for the birthday money.

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Tpy6a [65]

63/84 divided by 21/21
=3/4
or
63 divided by 84=0.75 which is the same thing as 3/4

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3 years ago

Aneli [31]

Hope this helps you understand

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3 years ago

alina1380 [7]

Answer:

Step-by-step explanation:

7 0

3 years ago

sergeinik [125]

Answer:

$140$

Step-by-step explanation:

A regular polygon is a shape with equal sides and angles. Because of this, we can write the following equation to set two sides equal to each other:

$3a+b+3=2a+2b+6$

Solving, we will get a in terms of b:

$3a=2a+b+3,\\a=b+3$

Now we can substitute a for (b+3) into our equation:

$5a-2b+1=2a+2b+6,\\5(b+3)-2b+1=2(b+3)+2b+6,\\3b+16=4b+12,\\-b=-4,\\b=\boxed{4}$

Therefore, the length of each side of this polygon is $5(4+3)-2(4)+1=28$ .

Since the perimeter of the polygon consists of all five sides, the perimeter is:

$p=28\cdot 5 =\boxed{140}$

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3 years ago

Sergio [31]

30000000000000000000000000000000 trust me bro

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3 years ago