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OverLord2011 [107]
3 years ago
12

Find the perimeter and area, to the nearest

Mathematics
1 answer:
vredina [299]3 years ago
3 0
Perimeter is equal to 90 in.

Area is approximately equal to 389.71 in.
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Megan's room was remodeled. The new area of the room is 175% of the previous area. Only the length of the room changed. part a)
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Answer: a) \frac{175}{100}xy\\\\=1.75xy\\\\

b)  By 0.75 square meters the new area is increased.

Step-by-step explanation:

Let the length of room be l

Let the breadth of room be 'b'

As we know the formula for "Area of rectangle ":

Area=Length\times breadth\\\\Area=l\times b

Now, According to question, The new area of the room is 175% of the previous area.

So, a)  New area of the room becomes,

\frac{175}{100}xy\\\\=1.75xy\\\\

So, it means Length of the room is increased by 175%, because of which the area is increased by 175%.

b) By how many square meters has the area of Megan's room increased

1.75xy-1xy=0.75\\\\\text{So, by 0.75 square meters the new area is increased.}


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Step-by-step explanation:

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Which of the following is a solution of x^2 + 4x = −8?
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X²+4x+8=0
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