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Ber [7]
2 years ago
15

Police estimate that 25% of drivers drive without their seat belts. If they stop 6 drivers at random, find theprobability that m

ore than 4 are wearing their seat belts.
Mathematics
1 answer:
earnstyle [38]2 years ago
8 0

Answer:

%17.80

Step-by-step explanation:

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3 years ago
When factoring to reveal the roots of the equation x² + 2x° - 9x- 18 = 0, which equations
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1 and 3 only answer is number 2
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3 years ago
Help me solve this question please. Thank you
IrinaVladis [17]

Answer:

an = 80. 2^(n-5)

Step-by-step explanation:

r = a6/a5 =160/80 = 2

an = a5. r^(n-5)

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3 years ago
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nlexa [21]

Answer:

c

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
2cos^2x = 1 <br><br> Solve for 0-360 degrees
Tems11 [23]

Answer:

45,135,315,225

Step-by-step explanation:

2cos^2x = 1

Divide each side by 2

cos^2x = 1/2

Take the square root of each side

sqrt( cos^2 x) = ±sqrt (1/2)

cos x  =±sqrt (1/2)

Make into two separate equations

cos x  =sqrt (1/2)    cos x = - sqrt(1/2)

Take the inverse cos of each side

cos ^-1 cos (x) = cos ^-1 (sqrt (1/2))   cos ^-1 cos (x) = cos ^-1 (-sqrt (1/2))

x = cos ^-1 (sqrt (1/2))   x = cos ^-1 (-sqrt (1/2))

x = 45  +360 n              x = 135+ 360n

x = 315+360 n               x =225+360n

Between 0 and 360

45,135,315,225

5 0
2 years ago
Read 2 more answers
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