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ICE Princess25 [194]
2 years ago
11

Problem Set #10a

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
4 0

Answer:

y=-(x+1)(x-1)²(x-3)² = -x⁵ + 7x⁴ -14x³+2x² + 15x -9

Step-by-step explanation:

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You have the numbers 1-24 written on slips of paper. If you choose one slip at random, what is the probability that you will not
ra1l [238]

The probability of selecting a number not divisible by 3 is: 2/3

Step-by-step explanation:

There are two methods to solve the question.

  1. We can find the probability of numbers not divisible by 3
  2. We can find the probability of numbers divisible by 3 and then find the complement of it

We will use the second method:

Given:

There are 24 slips

S = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24}

n(S) = 24

Let A be the event that the slip number is divisible by 3

Then

A = {3,6,9,12,15,18,21,24}

n(A) = 8

The probability of number divisible by 3 is:

P(A) = \frac{n(A)}{n(S)}\\=\frac{8}{24}\\=\frac{1}{3}

The sum of the probability of an event's occurrence and non-occurrence is 1. So the probability of numbers divisible by 3 will be subtracted from 1 to find the probability of selecting a number not divisible by 3.

The probability of selecting a number not divisible by 3 will be:

=1-\frac{1}{3}\\=\frac{3-1}{3}\\=\frac{2}{3}

The probability of selecting a number not divisible by 3 is: 2/3

Keywords: Probability

Learn more about probability at:

  • brainly.com/question/9045597
  • brainly.com/question/9103248

#LearnwithBrainly

8 0
3 years ago
Can someone plz help me with #1-8?
slamgirl [31]

Answer:9

Step-by-step explanation:

4 0
2 years ago
Julie's MP3 player contains 860 songs. If 20% of the songs are rap songs and 15% of the songs are R&B songs, how many of the
docker41 [41]
Total number of songs in Julie's MP3 player = 860
Percentage of rap songs in Julie's MP3 player = 20%
Then
Number of rap songs in Julie's MP3 player = (20/100) * 860
                                                                     = 860/5
                                                                     = 172
Percentage of R&B songs in Julie's MP3 player = 15%
Then
Number of R&B songs in Julie's MP3 player = (15/100) * 860
                                                                        = 1290/10
                                                                         = 129
So
The number of other types of songs in Julie's MP3 player = 860 - (172 + 129)
                                                                                             = 860 - 301
                                                                                             = 559
So the number of other types of songs in Julie's MP3 player was 559.
5 0
2 years ago
Read 2 more answers
Radioactive​ uranium-235 has a​ half-life of about 700 million years. Suppose you find a rock and chemical analysis tells you th
Natalka [10]

Answer:

  A.  2.8 billion years old

Step-by-step explanation:

1/16 = (1/2)^4, so 4 half-lives have elapsed.

  4 · 0.700 billion years = 2.8 billion years

The rock is 2.8 billion years old.

5 0
3 years ago
Read 2 more answers
If Mrs. bank made 44 quarts of jelly. How many gallons did she make?
Fittoniya [83]
There are 4 quarts in a gallon. 

44 / 4 = 11

She made 11 gallons of jelly. 
8 0
3 years ago
Read 2 more answers
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