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ipn [44]
3 years ago
13

If m PLZZZZ HELP WITH THISSSSSSSSSSS

Mathematics
2 answers:
8_murik_8 [283]3 years ago
4 0
What is the question??
aniked [119]3 years ago
3 0
What am I helping ? put the question in
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Sandy can clean her room in 1/4 the time it takes her older brother to clean his. Sandy does the job in a half hour. How long do
igomit [66]

Answer:

2 hours

Step-by-step explanation:

Sandy is 4 times faster than her brother.1/2 hour x 4 =2hours

7 0
3 years ago
AMERICAN AIRLINES HAS A POLICY OF BOOKING AS MANY AS 15 PEOPLE ON AN AIRPLANE THAT CAN SEAT ONLY 14. (PAST STUDIES HAVE REVEALED
Blizzard [7]

Using the binomial distribution, there is a 0.0874 = 8.74% probability that not enough seats will be available.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

For this problem, the values of the parameters are given by:

n = 15, p = 0.85.

The probability that not enough seats will be available is P(X = 15), as the only outcome in which not enough seats will be available is when all 15 people who bought the ticket show up, hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 15) = C_{15,15}.(0.85)^{15}.(0.15)^{0} = 0.0874

0.0874 = 8.74% probability that not enough seats will be available.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

8 0
1 year ago
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
fredd [130]

Answer:

40km

hope this helps

have a good day :)

Step-by-step explanation:

3 0
3 years ago
How do i graph this step function?<br> f(x)=[[3x]]+3
puteri [66]
One way is shown here: https://www.desmos.com/calculator/76qirhx3nh
___
A step function is defined various ways. One way has [[0]] = 1/2. That is what is shown on the graph at the above link. Choose the definition that matches your text.

The horizontal scale factor of 3 (in 3x) does nothing. When x > 0, 3x > 0; when x < 0, 3x < 0. The +3 adds a vertical offset to the graph of [[x]].
6 0
3 years ago
Please help
Varvara68 [4.7K]

Answer:

$6 = cost of small box

$8 = cost of large box

Step-by-step explanation:

Let s = cost of small box

     l  = cost of large box

(1)    12s + 3l = 96            (2)     6s + 6l = 84

    Multiply by -2                    <u> -24s - 6l = -192</u>

                                                -18s   = - 108

                                                     s = $6 = cost of small box

      12(6) + 3l = 96

         72 + 3l = 96

                 3l = 24

                   l = $8 = cost of large box

7 0
3 years ago
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