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Rina8888 [55]
2 years ago
12

Marcus has different songs on his iPad 84 of the songs he downloaded were free of this number represents 24% of the total number

of songs on his iPod how many songs does he have on his iPod
Mathematics
1 answer:
Kitty [74]2 years ago
6 0

Answer:

84-24%=63.84

Step-by-step explanation:

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Parking spaces at a business school are arranged by a random monthly lottery. there are 3 spaces for every 10 students who want
Alexus [3.1K]

27.034%  
Let's define the function P(x) for the probability of getting a parking space exactly x times over a 9 month period. it would be: 
P(x) = (0.3^x)(0.7^(9-x))*9!/(x!(9-x)!)  
Let me explain the above. The raising of (0.3^x)(0.7^(9-x)) is the probability of getting exactly x successes and 9-x failures. Then we shuffle them in the 9! possible arrangements. But since we can't tell the differences between successes, we divide by the x! different ways of arranging the successes. And since we can't distinguish between the different failures, we divide by the (9-x)! different ways of arranging those failures as well. So P(4) = 0.171532242 meaning that there's a 17.153% chance of getting a parking space exactly 4 times. 
Now all we need to do is calculate the sum of P(x) for x ranging from 4 to 9.

So
 P(4) = 0.171532242
 P(5) = 0.073513818
 P(6) = 0.021003948
 P(7) = 0.003857868
 P(8) = 0.000413343
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 0.171532242 + 0.073513818 + 0.021003948 + 0.003857868 + 0.000413343
+ 0.000019683 = 0.270340902 
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5 0
3 years ago
Divide £72cm in the ratio 2:3:1 working out please
ale4655 [162]
2:3:1
2+3+1 = 7

£72 / 7 = £10.28

Answer:
£10.28 * 2 = £20.56
£10.28 * 3 = £30.84
£10.28 * 1 = £10.28

If you want to check if it's correct. add all three of them and see if you get the £72.

Please make this answer the brainiest!
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3 years ago
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M=\frac{y1-y2}{x1-x2}=\frac{-5-(-10)}{2-7}=\frac{5}{-5} =-1
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4 0
3 years ago
Read 2 more answers
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Nataliya [291]

Answer:

10:10 am.

Steps:

time = distance/speed

time= 270/120

=2 hours and 25 minutes

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2 years ago
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4³/₄ × 1¹/₂
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7¹/₈
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