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2 years ago

9

Steven has 1/3 of package of biscuit mix left.He will use equal para of the leftover mix to make three watches of biscuits. If h

e uses all of the mix, what fraction of the original package will he use for each batch?

1 answer:

Nuetrik [128]2 years ago

3 0

Answer:

1/9

Step-by-step explanation:

(1/3)/3 = 1/9

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Step-by-step explanation:

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2 years ago

What is the distance between the points P(-5, 4), Q(7, -5)

Nikolay [14]

Answer:

15

Step-by-step explanation:

Distance between two points is = √(x2 - x1)² + (y2 - y1)²

x1 = -5, y1 = 4; x2 = 7, y2 = -5

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2 years ago

recent survey found that 71% of all adults over 50 wear glasses for driving. In a random sample of 30 adults over 50, what is

valentina_108 [34]

Answer:

Mean = 21.3

Standard Deviation = 2.48

Step-by-step explanation:

We are given the following in the question:

p = 71% = 0.71

Sample size, n = 30

We have to find the mean and the standard deviation of those that wear glasses.

$\text{Mean} = np\\=30(0.71)\\=21.3$

Thus, the mean of those who wear glasses is 21.3

$\text{Standard deviation} = \sqrt{npq}\\=\sqrt{np(1-p)}\\=\sqrt{30\times 0.71\times (1-0.71)}\\=2.48$

Thus, the standard deviation of those who wear glasses is 2.48

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2 years ago

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MakcuM [25]

Answer:

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Step-by-step explanation:

Prime Factorization of 152 =2

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2 years ago

Read 2 more answers