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TiliK225 [7]
3 years ago
14

Beth has 250 comic books in her collection. She begins to sell 20 of them each week. Martin has 80 comic books in his collection

. He begins buying 15 new comic book each weeks
Mathematics
2 answers:
Shtirlitz [24]3 years ago
8 0
Each weeks for how long?
butalik [34]3 years ago
6 0

<em>And Whats the question here?!?!</em>

You might be interested in
M=-3/7 ; (-5,6) what is the equation of the line
exis [7]
Y - 6 = -3/7(x + 5)

y - 42/7 = -3/7x - 15/7

y = -3/7x + 27/7
6 0
3 years ago
If you multiply two integers together and then add 4, the result is 40. Which of the following could NOT be the sum of the two n
marta [7]

Answer:

18

Step-by-step explanation:

xy + 4 = 40

xy = 40 - 4

xy = 36

What two numbers can b multiplied to give 36? Then add them.

9 + 4 = 13

18 + 2 = 20

6 + 6 = 12

12 + 3 = 15

The odd option is 18

6 0
3 years ago
The number of peanuts in bags is normally distributed with a mean of 184.7 peanuts
ioda

Standard deviation = 3.3

The data point = 178

The mean = 184.7

<h2>Further Explanation</h2>

To calculate the Z-score of a bag containing 178 peanuts, we should use the formula to calculating a z-score.

The formula for calculating a Z-score is as follows

z = \frac{data Point - Mean}{Standard Deviation}

This also implies

z = \frac{178 - 184.7}{3.3}

Z= -2.03

therefore, the correct answer is -2.03

A z-score determine the number of standard deviation from the mean a data point is.

some important factors about z-score include:

  • if it is a positive z-score, it indicates the data point is above average
  • if it is a negative Z-score, it indicates the data point is below average
  • if the z-score is close to 0, it then means the data point is close to average
  • if the z-score is above 3 or below -3, it is considered to be unusual

Learn More about Z-score at:

brainly.com/question/12876715

#learnwithbrainly

8 0
2 years ago
Find the volume of this right rectangular prism. [Type your answer as a number.]
irakobra [83]
There is no picture
3 0
3 years ago
Heartbeat takes 0.8 seconds.how many seconds is this written as a fraction?
liubo4ka [24]
0.8 = 8/10

simplified = 4/5 seconds

hope this helps
5 0
3 years ago
Read 2 more answers
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