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Murrr4er [49]
3 years ago
15

A set of cards contains the numbers 1 through 20. Mathieu chooses a card at random, records the number of the card, and then ret

urns the card to the set. He conducts 200 trials of this event. Based on the theoretical probability, how many times can Mathieu expect to choose a multiple of 5?​
Mathematics
2 answers:
Svetach [21]3 years ago
7 0
There are 4 multiples of 5 between 1-20 5.10.15.20 which are 4/20 aka 1/5 so 1/5 of 200 is 20 times Yaga yeet
JulsSmile [24]3 years ago
3 0

Answer:

40

Step-by-step explanation:

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Troyanec [42]

Answer:

5/6 4/15 1/3

Step-by-step explanation:

on a calculator divide the numerator by the denominator.

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2 years ago
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Which undefined geometric term can be described as a one-dimensional set of points that has no beginning or end? point line plan
astraxan [27]

Answer:-  A line is the undefined geometric term can be described as a one-dimensional set of points that has no beginning or end.


Explanation :-

In geometry, there are three undefined terms : 1) point 2) line 3) plane

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  • A line is said to be a one dimensional set of points that has no beginning or end.It has only length.
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3 years ago
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Which inequality is shown?
gogolik [260]

Answer:

affirmative action

Step-by-step explanation:

4 0
3 years ago
A gym charges a $615 yearly fee for membership plus $50 for each hour of personal training. What is the average total cost per h
olga2289 [7]

Answer:

The average total cost per hour of training is $70.5

Step-by-step explanation:

The form of the linear function is f(x) = m x + b, where

  • m is the average rate
  • b is the initial value

∵ The gym charges a $615 yearly fee for membership plus

   $50 for each hour of personal training

- That means the initial amount is 615 and the average rate is 50

∴ m = 50 dollars per hour

∴ b = 615 ⇒ fixed fee

- Substitute m and b in the form of the linear function

∴ c(x) = 50 x + 615, where c(x) is the cost per year for x

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∵ A member works with a personal trainer for 30 hours in a year

- That means x = 30

∴ x = 30

- Find the total cost of this year by substituting x by 30

∴ c(30) = 50(30) + 615

∴ c(30) = 1500 + 615

∴ c(30) = 2115

∴ The total cost of this year is $2115

To find the average cost per hour divide the total cost by the number of the training hours

∵ Average cost per hour = 2115 ÷ 30

∴ The average cost per hour = 70.5 dollars

∴ The average total cost per hour of training is $70.5

8 0
3 years ago
Help idk how to do this
Novay_Z [31]

Answer:

y = 62°

Step-by-step explanation:

z represents the mid segment of the triangle.

Since, midsegment is parallel to the third side of the triangle.

\therefore \: y = 62 \degree...(correspnding \:  \angle  s) \\

7 0
2 years ago
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