subject
Mathematics, 31.07.2019 11:40 kyrabrown33

Amathematics test was taken by 4 boys and 6 girls. the mean marks of the 10 students was 49. a) calculate the total marks obtained by 10 students. b) if the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:00, cxttiemsp021
Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $
Answers: 3
image
Mathematics, 21.06.2019 20:00, sportie59
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
image
Mathematics, 21.06.2019 21:30, ajm1132005
Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )
Answers: 1
image
Mathematics, 21.06.2019 21:30, jstringe424
This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )
Answers: 3
You know the right answer?
Amathematics test was taken by 4 boys and 6 girls. the mean marks of the 10 students was 49. a) calc...

Questions in other subjects:

Konu
Advanced Placement (AP), 12.09.2021 01:50
Konu
Mathematics, 12.09.2021 01:50