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Ymorist [56]
3 years ago
15

A survey found that 30% of teenagers don’t wear a seatbelt. If five teenagers are selected at random, find the probability that

at least three of them don’t wear a seatbelt.
Mathematics
1 answer:
irina1246 [14]3 years ago
5 0

Answer:

60%

Step-by-step explanation:

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If sin^2(x) - 2sin(x) = 2, then sin(x) = _____.
alekssr [168]
Let z = sin(x).
.. z^2 -2z = 2
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.. z -1 = ±√3
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sin(x) = 1 -√3
3 0
3 years ago
The elevation we call sea level is actually the average level of the sea. This means that at average sea level, the elevation is
Mrac [35]

Answer:

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Step-by-step explanation:

5 0
3 years ago
the table shows the total time it took samir to read o,1,2, and 3 pages of the book.The table also list this imformation as orde
Kitty [74]
  • The graph of the relationship between the number of pages read by Samir and the total minutes taken is displayed in the graph attached below.

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5 0
2 years ago
A student is trying to solve the system of two equations given below:
k0ka [10]

Answer:

A. (y+z=6) -8

Step-by-step explanation:

You will use the process of adding together the like terms. Since in equation Q, we have 8y, we need -8y in equation P. Answer A is the only one that will give us -8. You have to distribute -8 across all the variables and numbers in the parenthesis.

8 0
3 years ago
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What is the perimeter of the figure?
Zarrin [17]

Answer:

21.2 yd

Step-by-step explanation:

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3 years ago
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