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Nonamiya [84]
3 years ago
10

Find the perimeter of this figure it is made up of semicircles and quarter circles

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0

Answer:

16.84

Step-by-step explanation:

For perimeter, you are basically solving 2 different 1/2 circles

for the larger one, you do the equation: 3.14 x 4 = 12.56

For the smaller one, you do the equation: 3.14 x 2 = 6.28

12.56 + 6.28 = 18.84

and since I think you are putting em together you are supposed to remove 2 so the answer would be : 16.84

So, for the calculations (if doing area), you are gonna have to split the figures apart.

ok, for the first part, the 1/4 circles

Pi*2^2=12.566

12.566/4=3.1415

Since there is 2 of the same figure, you can do 1 of 2 ways

A. 3.1415x2 = 6.283

B. 12.566 / 2 = 6.283

Now for the 1/2 circle:

pi*1^2=3.142

3.142/2 = 1.571

Now to add:

1.571 + 6.283 = 7.854

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Answer:

Exact Form:

c  =   − 1 2

Decimal Form:

c  =  − 0.5

Step-by-step explanation:

7 0
3 years ago
A place from this table is chosen at random. Let event A = The place is a city.
Crank

Answer:

Final answer is P(A^c)=\frac{3}{7}

Step-by-step explanation:

We have been given a table containing a list of few places that are either city or in North America.

Total number of places in that list = 7

That means sample space has 7 possible events.

Given that a place from this table is chosen at random. Let event A = The place is a city.

Now we need to find about what is P(A^c).

That means find find the probability that chosen place is not a city.

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Hence favorable number of events = 3

Then required probability is given by favorable/total events.

P(A^c)=\frac{3}{7}

6 0
3 years ago
The legs of a right triangle have the lengths of 8 centimeters and 15 centimeters. What is the length of the hypotenuse, in cent
Anastasy [175]

Answer:

Step-by-step explanation:

WeknowthatsinceABCisarightangledtriangle,  

AB2+BC2=AC2

82+152=AC2

64+225=AC2

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4 0
3 years ago
The annual membership fee at a local club is $100. After each year of membership, the fee is lowered by $8 a year. The
Mila [183]

Answer:

y = 100 - 8(n - 1)

Step-by-step explanation:

I. if n = 1 or 1st year = 100 - 8(1-1) is 100

  if n = 2 or 2nd year = 100 - 8(2-1) is 92

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Hope it'll help.

3 0
3 years ago
An English class attended a performance at the theater. The class took 25 students and 3 adults. Each student ticket, s, cost $3
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