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REY [17]
3 years ago
7

Is 11/12 and 9/10 equal

Mathematics
1 answer:
Zarrin [17]3 years ago
5 0

Answer:

They are not equal

the bigger the denominator the smaller the parts are

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Can anyone help me with this? I'll mark brainliest for best answer
soldier1979 [14.2K]

Answer:

The answer is k = -12

4 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
20. Solve for x,<br> (x-2y) = 12<br> P<br> mathemat<br> I<br> vision oro<br> How do you do this?
Klio2033 [76]

Answer:

x= 24 and y = 6

Step-by-step explanation:

I think that the right answer

5 0
2 years ago
Will mark brainliest as usual :D
Jobisdone [24]

Answer:

Sam's total is $29.46

Step-by-step explanation:

$9.20 multiplied by the quantity of the DVDs (4), is $36.80.

If you subtract 25% of that, it brings your amount to $27.60.

Add 6.75% for the sales tax, which makes the total amount to $29.46

4 0
3 years ago
I will give Brainliest. :)​
egoroff_w [7]

Answer:

a video game

Step-by-step explanation:

4 0
2 years ago
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