jin has a granddaughter named Wei. jin's age is 2 more than 7 Times Wei’s age, in years. Jin’s age is 86 years old. Write and so
1 answer:
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Answer:
#3: The number of pets that is the mode for the class is 1 because the people who have 1 pet appears the most.
explanation: the largest amount of people are the people who have 1 pet.
#4: The percent of students who have at least 3 pets is 25%.
explanation: 6 divided by 24 is 0.25 and and that converted to a percentage is 25%
#5: The median number of pets that students have is 1 pet.
explanation: the middle number of all the people in Yolanda's class is 1.
#6: The range of the number of pets is 9.
explanation: range is the largest number minus the smallest number
9 - 0 = 9
#7: #7 will be attached with this answer.
#8: There are 22 students in the class.
explanation: the added up number of students is 22.
#9: The mode value is 3 students.
explanation: the mode is the number that appears the most. 3 is the number that appears the most.
#10: The median number of concerts that students have attended is 2 concerts.
explanation: the middle number of all the numbers is 2.
#11: The concerts that the students in Mr. Ritter's class have attended in all is 72.
explanation: all the number of concerts attended added up is 72.
#12: The average (mean) number of concerts the students in Mr. Ritter's class has attended is 3 concerts.
explanation: all the concerts divided by the number of students were are is the mean.
72 / 22 is 3.27.
Answer:
<u>Step-by-step explanation:</u>
9x² + 4 = 0
<u> -4 </u> <u>-4 </u>
9x² = -4
x² =