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2 years ago

5

Anna buys groceries for her family. Hamburger meat is $3.38 per pound sweet potatoes are $0.79 each and hamburger rolls are are

are $2.30 a bag. Is Anna buys 3 pounds of meat, 5 sweet potatoes and one bag of hamburger rolls what will she pay in all for the groceries

1 answer:

Anestetic [448]2 years ago

5 0

Anna will pay $16.39 for all of the groceries :)

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In a certain country, the true probability of a baby being a girl is 0.469. Among the next seven randomly selected births in th

-BARSIC- [3]

Answer:

The probability is 0.995 ( approx ).

Step-by-step explanation:

Let X represents the event of baby girl,

The probability of a baby being a girl is, p = 0.469,

So, the probability of a baby who is not a girl is, q = 1 - 0.469 = 0.531,

Also, the total number of experiment, n = 7

Thus, by the binomial distribution formula,

$P(x)=^nC_x(p)^x q^{n-x}$

Where, $^nC_x=\frac{n!}{x!(n-x)!}$

The probability that all babies are girl or there is no baby boy,

$P(X=7)=^7C_7(0.469)^7(0.531)^{7-7}$

$=0.00499125661758$

Hence, the probability that at least one of them is a boy = 1 - P(X=7)

= 1 - 0.00499125661758

= 0.995008743382

≈ 0.995

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3 years ago

A pack of pencils, p, costs $1.99. A school buys $129.35 worth of pencils.

rosijanka [135]

Answer:

p=65. the value of p is the amount of pencils packs.

Step-by-step explanation:

1.99p=129.35

129.35/1.99=65

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2 years ago

Mike is a car salesman. He earns $200 for every car he sells plus a 3% commission. If mike sells 3 cars in one week for a total

Liono4ka [1.6K]

1570.29 Is what I came up with, though I'm not entirely certain. I just figured I'd give it a shot

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3 years ago

Ms santos seashells into 4 row she puts 6 seashells in each row how many seachells are there altogether

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4 rows and 6 seashells in each row.
Row 1: 0 0 0 0 0 0
Row 2: 0 0 0 0 0 0
Row 3: 0 0 0 0 0 0
Row 4: 0 0 0 0 0 0

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Or you could do 6x4 and your answer would be 24
So the answer to the question is 24 seashells.

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2 years ago

Each day, Karen makes 45 loaves of bread at the bakery where she works. Each loaf of bread requires 5 cups of flour. One pound o

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Answer: 5cups of flour = 1 loaf of bread

45 loaves of bread multiplied by 5 cups of four = 225 cups of flour to make 45 loaves of bread.

225 cups of flour divided by 4 = 56.25 pounds of flour.

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3 years ago

Read 2 more answers