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GalinKa [24]
2 years ago
14

Notebooks cost $ 1.20 each. This weekend they will be on sale for $ 0.80. What percentage is the sale

Mathematics
2 answers:
myrzilka [38]2 years ago
8 0
If you mean what was the percentage of how much lower it got, I think about 32%. Somewhere around there
Schach [20]2 years ago
6 0
So sale is x% off
find how much was taken off
1.20-0.80=0.40

so find what 0.4 out of 1.20 is
0.4/1.2=4/12=1/3=33.33%


so the sale is 33.33% off
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The correct answer is A

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1. Draw an appropriate Venn diagram to depict each of the following sets. U = The set of integers. A = The set of even integers.
CaHeK987 [17]

The attached diagram represents the Venn diagram of the sets

<h3>How to draw the Venn diagram?</h3>

The sets are given as:

  • The universal set, U = The set of integers.
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  • B = The set of odd integers.
  • C = The set of multiples of 3.
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From the above representation, we have the following highlights:

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Using the above highlights, we can now draw the Venn diagram

See attachment for the Venn diagram

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brainly.com/question/4910584

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2 years ago
ABCD is a rectangle. The length of AC is 3x - 1. The length of BD is 2x + 5.
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C.13

Step-by-step explanation:

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Michelin Tire Company wishes to set a minimum mileage guarantee on its new MX100 tire. Tests reveal the mean mileage is 67,900 w
Keith_Richards [23]

Answer:

The minimum guaranteed mileage is  x = 71489.55

Step-by-step explanation:

From the question we are told that

   The mean is  \mu  =  67900

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Generally for the probability to be 4% the minimum guaranteed mileage is evaluated as

    P( X  \ge x ) =1-  P( \frac{X - \mu }{\sigma } < \frac{ x -  67900 }{ 2050}  ) = 0.04

\frac{X -\mu}{\sigma }  =  Z (The  \ standardized \  value\  of  \ X )

     P( X  \ge x ) =1-  P( Z

=>  P( X  \ge x ) = P( Z

=>    z = \frac{ x -  67900 }{ 2050}

From the z table, the critical value corresponding to 0.96 to the left of the curve is  

         z = 1.751

So

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=>     x = 71489.55

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