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Marrrta [24]
3 years ago
11

I NEED HELP PLEASE, THANKS!!!

Mathematics
1 answer:
denpristay [2]3 years ago
3 0

Answer:

C. 105 mm^2

Step-by-step explanation:

<em><u>The formula for a regular polygon is:</u></em>

<em><u /></em>\frac{1}{2}pa   → p is the perimeter and a is the apothem

\frac{1}{2} (42)(5)

105

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iris [78.8K]

Answer:

27 %

Step-by-step explanation:

Given that Sheila predicts that 480 people will attendthe fall concert and There was an actual total of 350 people who attended the fall concert.

We know that

Percent error = \frac{people present-predicted people}{predicted people}\times100

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5 0
3 years ago
Amir is sorting his stamp collection. He has made a chart of what countries the stamps are from
natulia [17]

Answer:

Step-by-step explanation:

Given that Amir is sorting his stamp collection. He has made a chart of what countries the stamps are from

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8 0
3 years ago
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vlabodo [156]

Answer:

10.

here,

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2 years ago
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Answer:

Step-by-step explanation:

Area of a rectangle is length times width.  Since a rectangle has four sides, there will be two sides that have the length size and two with the width.  Anyway, now we need to find what numbers multiply together to make 35.

7 and 5 are the only whole numbers that multiply together to make 35, so those hve to be the length and width.  So two sides opposite each other are going to be 7 cm and the other two are going to be 5 cm

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