The following data set shows the ages of students going to a museum.12, 12, 12, 12, 13, 13, 15 which two measures are equal to 1
2 answers:
1. Find the mean that is the average value:
2. The median is the "middle" of a sorted list of numbers. For the numbers
12, 12, 12, 12, 13, 13, 15
the median is 12.
3. The mode is simply the number which appears most often. For the numbers
12, 12, 12, 12, 13, 13, 15
- the number 12 appears 4 times;
- the number 13 appears twice;
- the number 15 appears once.
Then the mode is 12.
Answer: B and C.
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Answer:
The systems of equation are .
Vanessa worked for<u> 6 hrs </u>and Geneva worked for <u>15 hrs</u> to earn exactly $240.
Step-by-step explanation:
Let the number of hours worked by Vanessa be 'v'.
Let the number of hours worked by Geneva be 'g'.
Given:
Total number of hours worked = 21 hours
So we can say that;
Total number of hours worked is equal to sum of number of hours worked by Vanessa and number of hours worked by Geneva.
framing in equation form we get;
⇒ equation 1
Also given:
per hour earnings of Vanessa = $10
per hour earning of Geneva = $12
Total they need to earn = $240
So we can say that;
Total they need to earn would be equal to sum of per hour earnings of Vanessa multiplied by number of hours worked by Vanessa and per hour earning of Geneva multiplied by number of hours worked by Geneva.
framing in equation form we get;
⇒ equation 2
Hence The systems of equation are .
On Solving above equations we get;
First we will multiply equation 1 by 10 we get;
⇒ equation 3
Now Subtracting equation 3 from equation 2 we get;
Dividing both side by 2 we get;
Now Substituting the value of g in equation 1 we get;
Hence Vanessa worked for<u> 6 hrs </u>and Geneva worked for <u>15 hrs</u> to earn exactly $240.
I think 5/12 is greater
and not sure bout number 3