Layla already has 6 stickers, and she will get 21 additional stickers from each sticker pack

Mathematics

1 answer:

Gala2k [10]3 years ago

6 0

Answer:

48 stickers

Step-by-step explanation:

21 stickers (first pack) + 21 stickers (second pack) = 42 stickers

42 stickers + 6 stickers = 48 total stickers

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you depsoit the same amount of money in a bank account each month. you deposit a total of $780 in 1 year. How many months does i

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Answer:

35 months

Step-by-step explanation:

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3 years ago

An author receives a contract from a publisher, according to which she is to be paid a fixed sum of $20,000 plus $3.50 for each

Schach [20]

Answer:

The mean of the total payments she will receive is $79,500.

The standard deviation of the total payments she will receive is $14,000.

Step-by-step explanation:

Given : An author receives a contract from a publisher, according to which she is to be paid a fixed sum of $20,000 plus $3.50 for each copy of her book sold. The author judges that her uncertainty about total sales of the book can be represented by a random variable with a mean of 17,000 and a standard deviation of 4,000 books.

To find : The mean and standard deviation of the total payments she will receive ?

Solution :

Let 'x' represent total sales of the book.

Let 'y' represent the payment to the author.

According to question,

The mean of the total payments she will receive is given by,

$\mu_y=20,000+3.50\mu_x$