# math

Riding on a school bus are 20 students in 9th grade, 10 in 10th grade, 9 in 11th grade, and 7 in 12th grade. Approximately what percentage of the students on the bus are in 9th grade?

1. 20/45 = ?

posted by Ms. Sue
2. Wouldn't it be 20/46?
Since 20+10+9+7= 46 which is the total of students.
And since you are trying to find what percentage of them are 9th graders it's 20.
So 20/46= 0.43 which is 43%
So the answer is 43% of the students on the buss are 9th graders.

posted by alyssa
3. 43.47826087 actually mate

posted by Ben sheepysheep
4. 20+10+9+7=46
20/46= .43
=43%

posted by Rome
5. x-6 is greater than -6 and x over 6 is less than equal to 1 what would it equal

posted by celeste
6. 20+10+9+7=46
There are 20 students in 9th Grade.
20/46=0.43478261
The percentage of students in the ninth grade riding the bus are 43%.

posted by Allison
7. solve(sin(pi/2 -(20/a)*((1-(20/a)^2)^.5)))

posted by soso
8. find the dividing polynomials

posted by gagan
9. When a trinomial is factored as (x + m)(x + n), what is the sum of m and n?

A. The coefficient of the x-term of the trinomial
B. The constant term of the trinomial
C. The degree of the trinomial
D. The coefficient of the x2-term of the trinomia

posted by pop
10. the opposite angles of parallelogram are 3x minus 2 and x plus 48 degree . find the mesurment of each angle

posted by khan
11. 43%

posted by Vicki
12. m+n=A/D

posted by aa
13. 43%

posted by Shivam
14. 43% of the students are of the 9th grade

posted by Glen
15. 43.478260869565217391304347826087% of the students are in 9th Grade

posted by Bob
16. 43%

posted by Laura
17. -82+27/72

posted by wanda
18. 1-n/5=12

posted by Anonymous
19. when 3x -2x +1 is subtracted from 2x + 7x +5 the result well be

posted by king
20. 20

posted by Aaliyah
21. How do you do this problem f(x)=3x6+2x3-176;c=-2

posted by David
22. questions 3 :- Mrs. Scott decided that she would spend no more than \$120 to buy a jacket and a shirt.

posted by mayra
23. 20+10+9+7=46

20/46 = .43478261

.43478261x100 = 43.5%

posted by Chris
24. 1+3

posted by Anonymous

posted by Abbigail lol
26. The area of an isosceles triangle EFG is 60m2 and EF=EG=13m.find the measure of FG?

posted by bhagyasrinivas
27. -(##2&!)9?

posted by kenesa dereje
28. 43.478%

posted by Alex
29. One week James worked his regular 40 hours and 4.75 hours of overtime. If his regular hourly rate is \$5.50 per hour, what was his gross pay for the week?

posted by Anonymous
30. An elephant walks westward at a speed of 4 miles per hour (mph) through a flowing river. The river flows south at a fixed speed of 10 mph. The path of the elephant is perpendicular to the flow of the river. What is the resultant magnitude of these two velocity vectors? Choose the closest answer.

posted by Anonymous
31. Determine the domain and range of

posted by Mrs. Dearing
32. the volume of a cube varies directly as the cube of its edge. How many times will volume compare to the original is tripled

posted by jannjann
33. 5%

posted by anonymus
34. 2x+3y=46 3x+5y=74

posted by Harman
35. How many square inches of giftwrap will be needed to cover a box that is 4in x 6in x 2in? In your final answer, include all of your calculations.

posted by emily villela
36. 20+10+9+7=46
% of G9 students=20/46*100=43.478260%

so the percentage of 9th graders onthe bus is
43.478260%

posted by Annan Dejene
37. Marta’s math textbook weighs mc017-1.jpg of a pound less than 4 times the weight of the book she is reading for her language arts class. If the weight of the math textbook is mc017-2.jpg pounds, which shows the correct equation and value of x, the weight of Marta’s book for language arts?

posted by kendrick

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