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konstantin123 [22]

3 years ago

12

There are 10 keys and only one of them can open a lock. We do not know which key can open the lock, but we will try them one by

one until we find the right key. Let X denote the number of times tried to find the right key what is the pmf of X

1 answer:

CaHeK987 [17]3 years ago

7 0

Answer:

thhhhhhheeeeeeeee p.m.f of x

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Brian is traveling at a rate of 72.0 meters/second. What speed would he be traveling in miles/hour?

Korvikt [17]

Answer:

we know that, 1miles/hour = 0.45m/s

or, 1meters/second = 1/0.45

1m/s = 2.22222222222

Step-by-step explanation:

Then,

72.0 meters/second = 72.0*2.22222222222

=160 miles per hour.

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3 years ago

Can someone help plz!!

zmey [24]

Answer:

the last bullet point I guess is the answer

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2 years ago

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Fiesta28 [93]

Answer:

x-intercept: -1

y-intercept: 0.5

Step-by-step explanation:

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1 year ago

What are the zeros of the function y = 2x2 +9x+4 ?

guajiro [1.7K]

Answer:

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3 years ago

Solve with explanation -4x+5> - 5

Bezzdna [24]

Answer:

$x < 2.5$

Step-by-step explanation:

$- 4x + 5 > - 5 \\ - 4x > - 5 - 5 \\ - 4x > - 10 \\ \frac{ - 4x}{ - 4} > \frac{ - 10}{ - 4} \\ x < \frac{5}{2} \\ x < 2.5$

hope this helps

brainliest appreciated

good luck! have a nice day!

7 0

3 years ago