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3 years ago

What is the product of 3 2/3 and 14 2/5

1 answer:

8 0

First you have to change them to improper fractions
You get 11/3 times 72/5 
Then cross out the thirds.
you'll get 11 times 24/5, 11 times 24 = 264
then divide it by five 
you get 52 4/5
your final answer is 52 4/5

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To find sales tax multiply the cost of an item by 0.05.

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Answer: sales tax is calculated by multiplying the price of an item by 8.5%

Step-by-step explanation:

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3 years ago

What is the reciprocal of 1 7/13?

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0.65 is the reciprocal

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3 years ago

Read 2 more answers

A coffee shop collected the following information regarding purchases from 110 of its customers 59 purchased coffee 39 purchased

Andrej [43]

Answer:

Let X be the number of customer purchased coffee

Let Y be the number of customer purchased donuts

Then $X\cap Y$ is the number of customer purchased both coffee and donuts

$X\cup Y$ is the number of customer purchased both coffee or donuts

The Number of customers purchased only Coffee:

Number of customers purchased only donuts =n(X -Y)

$n( X -Y) = n(X) - n(X \cap Y)$

n(X-Y) = 59 -16

n(Y - X) = 43

The Number of customers purchased only donuts:

Number of customers purchased only donuts =n(Y -X)

$n(Y - X) = n(Y) - n(X \cap Y)$

n(Y - X) = 39 -16

n(Y - X) = 23

The Number of customers did not purchase either of these items:

Number of customers did not purchase either of these items = $n(X\cup Y)^{\prime}$

First lets find $n(X\cup Y)$

$n(X\cup Y) = n(X) + n(Y) - n( X \cap Y)$

$n(X\cup Y) = 59 + 39 - 16$

$n(X\cup Y) = 82$

$n(X\cup Y)^{\prime}$ = $110 - n(X\cup Y)$ = 28

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4 years ago

Accuracy refers to A) a statement or idea that can be falsified B) how close repeated measurements of the same sample are to one

Vedmedyk [2.9K]

Answer: D) how close a measured value is to the actual value.

Step-by-step explanation: Accuracy is simply a measurement metric which is used to establish how a measured or predicted value conforms to the actual measurement usually in terms of closeness. Accuracy is different from precision which measures closeness in values obtained from repeated measurement of the same sample. For instance;

If the actual vale of a measurement is : 11.34

Prediction 1 : 11.30

Prediction 2 : 11.32 ;

Prediction 2 will be said to be more accurate than prediction 1 becuase it is closer to the actual value than prediction 1.

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3 years ago

State when the following equations and inequalities will be true and when they will be false 38= 9k

Step2247 [10]

The equation 38 = 9k will be true when k equals 38/9. (Do 38 divided by 9 to get k, k equals 38/9, which can't be simplified any more.)

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4 years ago