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vladimir2022 [97]
3 years ago
8

A bus company sell an annual bus pass for $8.50 and then charges $0.25 per ride.Use the equation c=0.25b + 8.50 to find the coas

t for someone who rides the bus 38 times.
Help me
Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0
The answer is $18. Put the 38 in the place of b, b being the amount of times someone rides the bus. Hence, C=0.25(38) + 8.50. Then, multiply the multiplable numbers. You get 9.5. Add 9.5 and 8.50 to get 18.
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a fair coin is flipped 10 times. what is the probability of getting the same number of heads and tails
Dafna11 [192]

If you flip a coin one time, the probability to get a Head is

p = 1/2

The probability of not getting a head in a single toss is :

q = 1 - 1/2 = 1/2

Thus there is only one unique situation to get the same number of heads and tails : in 10 toss you need to get exactly five heads, it will means that the rest is the tails.

Now using Binomial theorem of probability, the probability of getting exactly x = 5 heads in a total of n = 10 tosses is :

P(X = 5) = \frac{10!}{5!*5!} *(\frac{1}{2})^{5} *(\frac{1}{2})^{5}≈ 0.246

So the probability of that is 24,6 %

Good Luck

3 0
2 years ago
Please find the value of x and y.​
Sophie [7]

Answer:

x = 11

y = 3

Step-by-step explanation:

4y+1=6y-5

-4y   -4y

+1   =2y-5

+5       +5

  6/2=2y/2

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7 0
3 years ago
PLEASE HELP!!!!!<br> Find AB and M
DENIUS [597]

Answer:

Step-by-step explanation:

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to find the measure of these angles we’ll write this equation:

x + x + 40 = 180

and solve for x

2x + 40 = 180

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7 0
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Gelneren [198K]

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6 0
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Rus_ich [418]
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If you'd like an explanation, let me know!
Hope this helps!! :)
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3 years ago
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