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Oksi-84 [34.3K]
3 years ago
13

A kid at the bus stop is tossing a coin. He tosses the coin 19 times and it lands on heads eight times. If the kid tosses the co

in an 20th time, what is the probability that it will land on heads?
Mathematics
1 answer:
notka56 [123]3 years ago
4 0

Answer:

I honestly dont know

Step-by-step explanation:

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Arthur, Yusuf, and Bill had some stamps in the ratio 3: 5: 6. When Yusuf gave some stamps to Arthur and Bill gave Arthur 42 stam
Pavlova-9 [17]

Answer:

210 stamps

Step-by-step explanation:

<u>Given:</u>

  • Arthur ⇒ a = 3 k
  • Yusuf ⇒  y = 5k
  • Bill ⇒      b = 6k

<u>Yusuf gave </u><u>x</u><u> stamps to Arthur, then:</u>

  • y = 5k -x
  • a = 3k + x

<u>Bill gave Arthur 42 stamps more than Yusuf gave to Arthur, then:</u>

  • b = 6k - (x+42)
  • a = 3k + x + x + 42

<u>Now all 3 have same amount of stamps:</u>

  • 5k -x = 6k - x - 42 = 3k + 2x + 42

<u>From the first part of the equation we get:</u>

  • 6k - 5k = 42 + x - x
  • k = 42

<u>How many stamps did Yusuf have at first?</u>

  • y = 5k
  • y =5*42
  • y = 210 stamps

Yusuf had 210 stamps at first

4 0
3 years ago
The graph shows the distance, y, that a car traveled in x hours:
vesna_86 [32]
Here, You need to calculate the slope of the graph by taking any two random points, as follows:
(x₁,y₁) = (0,0) & (x₂,y₂) = (1,55)

Now, we know, 
y₂-y₁ = m(x₂-x₁)
55-0 = m(1-0)
m = 55/1
m = 55

Here m represents the slope of graph which is nothing but rate of change of distance.

In short, option A will be your answer.

Hope this helps!
7 0
4 years ago
Read 2 more answers
Chords AB and CD intersect at point E, AE = 10, EB = 4, and CE = 8. Therefore, ED =
Genrish500 [490]
So here is how we are going to find out what is ED. 
Based on the given figure, it states that, AE is 10, and EB is 4 and CE is 8.
So, <span>(AE/CE)=(ED/EB)
10/8 = ED/4 <<multiply both sides by the common denominator which is 8 and the result would be:
80/8 = 8ED/4
10 = 2ED <<divide both sides by 2 and we get
ED = 5.
Therefore, the measurement of ED is 5. 
Hope this answer helps. Let me know if you need more help next time!</span>
5 0
3 years ago
Read 2 more answers
The value of y varies directly
Elanso [62]

Answer:

Step-by-step explanation:

Answer is 7/3

6 0
3 years ago
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Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below
sergejj [24]

Answer:

Kerri

calculate z scores z= (x - xbar)/stdev

Kerri = 1.7

Cade = .7

Vincent = 1

Step-by-step explanation:

6 0
3 years ago
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