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arsen [322]
3 years ago
11

You buy butter for $3.31 a pound.

Mathematics
2 answers:
Sav [38]3 years ago
8 0

Answer:

$0.23

Step-by-step explanation:

Theres 16 ounces in a pound. 16-1.7=14.3

divide $3.31 by 14.3

0.23

dusya [7]3 years ago
4 0

Answer: $0.36

Step-by-step explanation:

Given : You buy butter for $3.31 a pound.

i.e. cost of 1 pound of butter = $3.31

Also, 1 pound = 16 oz

Using UNITARY METHOD ,

1 oz = \dfrac{1}{16}\text{ pound}=0.0625\ oz

i.e. cost of 1 oz of butter = 0.0625 x  cost of 1 pound of butter

0.0625 x $3.31 =$ 0.206875    ≈ $0.21

One portion of the onion compote requires 1.7 oz of butter.

The cost of 1.7 oz of butter = 1.7 x cost of 1 oz of butter

1.7 x $ 0.21= $0.357≈ $0.36   [Rounded to the nearest cent]

Hence, the butter for one portion costs $0.36  .

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aliina [53]

Answer:

0.1353 = 13.53% probability that the lifetime exceeds the mean time by more than 1 standard deviations

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

f(x) = \mu e^{-\mu x}

In which \mu = \frac{1}{m} is the decay parameter.

The probability that x is lower or equal to a is given by:

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The probability of finding a value higher than x is:

P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}

The mean time for the component failure is 2500 hours.

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The standard deviation of the exponential distribution is the same as the mean, so this is P(X > 5000).

P(X > x) = e^{-0.0004*5000} = 0.1353

0.1353 = 13.53% probability that the lifetime exceeds the mean time by more than 1 standard deviations

4 0
2 years ago
the store owner gave a 35% discount yeah Joe and Carol so had to pay $247 for the camera what was the original price of the came
frozen [14]
From the given statement, we know the following...

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So if we solve for x by dividing by 0.35

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7 0
3 years ago
PLZ HELP ASAP!!! Will give brainlest ❗️❗️❗️❗️
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Answer:

<em>I</em>(-1,3)

Step-by-step explanation:

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3 years ago
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Solve for r r=c/2π c=15
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