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jarptica [38.1K]
3 years ago
7

Write two inequalities that would have the solution set as graphed below.

Mathematics
1 answer:
Komok [63]3 years ago
7 0

Answer:

The answer is x > -1

Step-by-step explanation:

This is because if it were a closed circle, it would have to the include the inequality -1 but since it is an opened circle, that inequality is not included. So in conclusion, Any number could be used to represent x as long as it is a greater number than -1. I hope this makes sense.

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Torri had $20 to buy a birthday present for her dad. She decided to buy a DVD for $18. The sales tax is 7 percent. Does she have
vesna_86 [32]

First, we need to calculate the cost of the sale tax. To do it, we are going to convert the sale tax from percentage to fraction by dividing it by 100, and then we are going to multiply the cost of the DVD by the sale tax:

Sale.Tax=\frac{7}{100}

Now, we can multiply the cost of the DVD by the sale tax to find the cost of the sale tax:

Cost.Sale.Tax=18(\frac{7}{100)} )=9(\frac{7}{50} )=\frac{63}{50} =1.26

Now that we know that the sale tax is $1.26, we are going to add the cost of the sale tax to the cost of the DVD and check if that sum is less or equal than Torri's money (20$):

Total.Cost=18+1.26=19.26

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8 0
3 years ago
Read 2 more answers
1-1 Relations and Functions The following list details the numbers of tickets sold for a talent show: grade 9: 22; grade 10: 32;
zlopas [31]

Answer:

Domain = \{9, 10, 11, 12\}

Range = \{22, 32, 41, 30\}

Step-by-step explanation:

Given

Grade 9: 22

Grade 10: 32

Grade 11: 41

Grade 12: 30

Required

Determine the domain and the range

The domain and range of a function is represented as thus (x,y)

From the given parameters;

(x,y) = (Grade\ 9, 22), (Grade\ 10, 32) (Grade\ 11, 41), (Grade\ 12, 30)

Remove "Grade" to represent as only digits

(x,y) = (9, 22), (10, 32), (11, 41), (12, 30)

Split to x and y values:

<em>Where x = domain and y = range</em>

Domain = \{9, 10, 11, 12\}

Range = \{22, 32, 41, 30\}

<em>So, from the list of given options; option C answers the question.</em>

4 0
3 years ago
Use the minimum and maximum data entries and the number of classes to find the class width, the lower class limits, and the uppe
deff fn [24]

Answer:

The  class width is  C_w  \approx 13

Step-by-step explanation:

From the question we are told that

 The  upper class limits is max  =  121

  The  lower class limits is  min  =  14

   The number of classes is  n  =  8  \ classes

The class width is mathematically represented as  

       C_w  =  \frac{max  -  min}{n  }

substituting values

       C_w  =  \frac{121 -  14}{8  }

       C_w  = 13.38

      C_w  \approx 13

Since

     

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3 years ago
If you were to solve following system by substitution what would be the best variable to solve for and from what equation? 2x+6y
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How to fine all possible four digit combinations to a large number
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It’s the combination of 6/7
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