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Oxana [17]
3 years ago
15

The circumference of a circle is 9π m. What is the area, in square meters? Express your answer in terms of π π

Mathematics
1 answer:
storchak [24]3 years ago
5 0

Answer:

A = 20.25π sq meters

Step-by-step explanation:

C = 2πr

9π = 2πr

divide π from each side to get:

9 = 2r

r = 9/2 or 4 1/2

A = πr²

A = π (4.5²)

A = 20.25π

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Chris has 7/8 yards of purple ribbon and one whole one over 6 yards of ribbon Chris has a total of three holes to over 3 yards o
MaRussiya [10]

Complete question :

Chris has 7/8 yards of purple ribbon and 1 1/6 yards of green ribbon. Chris has a total of 3 2/3 yards of ribbon. How many yards of Chris's ribbon are neither purple nor green.

Answer:

1.625 yards

Step-by-step explanation:

Purple ribbon = 7/8 yards

Green ribbon = 1 1/6 yards = 7/6 yards

Total ribbon = 3 2/3 yards = 11/3 yards

Ribbon that is neither purple nor green :

Total ribbon - (green + purple ribbon)

7/8 - (7/6 + 7/8)

11/3 - (28 + 21) / 24

11/3 - 49/24

= 1.625 yards

8 0
3 years ago
In a particular​ year, a total 44,064 of students studied in two of the most popular host countries when traveling abroad. If 83
zaharov [31]

Step-by-step explanation:

Total=44,064

Host countries= 2

2nd most popular country= x

Popular country=x+8382

x+x+8,382=44,064

2x=44,064-8,382=35,682

2x=35,682

x=17,842

2nd most popular=17,842

Popular=17,842+8,382=26,224

Answer=26,224

6 0
3 years ago
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Alex spends 14 days on vacation. He spends 4 out of the 14 days at the beach and half as many days visiting museums as he spends
zvonat [6]


4 days at the beach.*7 or 5* days of visiting museums.


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3 0
3 years ago
What is the difference between |-3| and -3 ? <br><br><br> Explain &amp; help me please
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Answer:

Step-by-step explanation

|-3|=3

3-(-3)=3+3=6

8 0
2 years ago
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