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Serhud [2]
3 years ago
7

Which statement is true about the circumference of a circle?

Mathematics
2 answers:
Marianna [84]3 years ago
8 0
The correct statement is C. Although it should say 'T<span>he circumference is found by multiplying π by the squared radius'.

Hope this helps.</span>
Alchen [17]3 years ago
6 0

Answer: c.

Step-by-step explanation: The circumference can be found by multiplying pi by the radius squared

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Is 1 1/4 + 1 1/4 = 2 3/4 correct?
laila [671]

Answer:

no

Step-by-step explanation:

11/4 plus 11/4 is 22/4

to make this a whole number and a fraction we subtract 4 from the 22 as many times as we can. we can do this 5 times, with 2 left over.

the answer is 5 2/4, which you can simplify to 5 and a half

7 0
2 years ago
Read 2 more answers
yesterday the temperature was 7 degrees fahrenheit . Today the temperature is 0 degrees fahrenheit . What was the change in the
lawyer [7]

Answer:

-7

Step-by-step explanation:

HOPE THIS HELPS

7 0
2 years ago
Translate and solve: twenty-three greater than b is at least −276.
masha68 [24]

Answer:

b+23≥-276

b≥-276-23

b≥-299

Step-by-step explanation:

hope this is helpful

6 0
3 years ago
An unfair coin with​ Pr[H] = 0.2 is flipped. If the flip results in a​ head, a marble is selected at random from a urn containin
satela [25.4K]
Normally when dealing with coins the probability of getting heads or tails is 0.5 each. However in this case since its an unfair coin, the probability of getting heads is 0.2. 
H - head 
T - tails
R - red marble
pr (H) = 0.2
urn
6 red and 4 blue
pr (T)   = 0.8
urn
3 red and 5 blue

when heads is obtained 
red - 6/10 -0.6
blue - 4/10 - 0.4
therefore when multiplying with 0.2 probability of getting heads
pr (R ∩ H) red - 0.6*0.2 = 0.12

when tails is obtained 
red - 3/8 - 0.375
blue - 5/8 - 0.625
when multiplying with 0.8 probability of getting tails
pr (R ∩ T) red - 0.375 * 0.8 = 0.3

using bayes rule the answer can be found out, 
the following equation is used;
pr (H | R) = pr (R ∩ H) / {pr (R ∩ H) + pr (R ∩ T)}
               = 0.12 / (0.12 + 0.3)
               = 0.12 / 0.42
               = 0.286
the final answer is 0.286
6 0
3 years ago
many villages have water tanks that they use for farming .jeffs village has a cylinder shaped water tank that has a 4 m radius a
andreev551 [17]
The volume is: 452.16 m

3 0
3 years ago
Read 2 more answers
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