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zysi [14]
3 years ago
14

Marie joined a book club. She had to pay a one time registration fee of 80.00 and then 3.00 per book.How much did it cost her to

buy 15 books
Mathematics
2 answers:
Brut [27]3 years ago
7 0

Answer:

It cost her 45 dollars to buy 15 books

Step-by-step explanation:

80+ 3(15)=?

80 First time registration fee + 45 dollars to buy 15 books

Rasek [7]3 years ago
5 0

Answer:

It cost her this much = 3×15 = 45

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The board of directors of a corporation must select a president, a secretary, and a treasurer. In how many possible ways can thi
pentagon [3]

Answer:

9,240 ways possible in which  this can be accomplished if there are 22 members on the board of directors.

Step-by-step explanation:

Total number of available members in the board = 22

The number of posts chosen are a president, a secretary, and a treasurer.

<u>For the Post of President:</u>

The number of available options to choose a president = 22  options

<u>For the Post of Secretary:</u>

As we can not repeat the members because one person CANNOT hold two positions simultaneously.

The number of available options to choose a secretary = 21  options

<u>For the Post of Treasurer:</u>

As we can not repeat the members because two person CANNOT hold three positions simultaneously.

The number of available options to choose a treasure = 20 options

Now, the  possible ways can this whole election be accomplished is the product of all possible options

= 22 option x 21 option x 20 option

= 9,240 ways

Hence, there are 9,240 ways possible in which  this can be accomplished if there are 22 members on the board of directors.

4 0
3 years ago
Suppose that a child in France pays five euros to visit the zoo. Five euros is the same as $6.80 in the U.S. In France, an adult
GarryVolchara [31]
6.8/5 = 1.36
1.36 x 8 = 10.88
This means that the cost of an adult is $10.88
3 0
3 years ago
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Which pair of triangles are congruent by ASA ?
Eddi Din [679]
Your answer is going to be letter D.)?
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3 years ago
3, 9, 10, 5, 8, 5, 9, 11, 10, 3, 10 Find the mean of the data.
slava [35]

Answer:

7.55

Step-by-step explanation:

An arithmetic mean is the average value of all the data points.

In order to find the average value, you add all the data points then divide the resulting sum by the number of data points there are.

The sum of all data points:

3 + 9 + 10 + 5 + 8 + 5 + 9 + 11 + 10 + 3 + 10 =

83

The number of data points:

3, 9, 10, 5, 8, 5, 9, 11, 10, 3, 10

1,2,3,4,5,6,7,8,9,10, 11 = 11 data points

Average value/ Mean:

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7 0
3 years ago
(15+6) divde 3 Evalute the expression
Tom [10]

Answer:

(15+6)/3

21/3=7

5 0
3 years ago
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