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11. Let x represent the number of girls and y represent the number of boys in a classroom which expressions below represents the total number of students in the classroom?

a. x + y
b. x - y
c. 2x + 2y
d. 2x - 2y

12. The first number is three more than twice the second number. which of the following equations gives the relation to the numbers?
a. x = y + 3
b. x = 2y + 3
c. x = 2y - 3
d. 3x = 2y

13. A number x is not more than 5. which of the following inequalities can represent the situation?
a. x > 5
b. x ≥ 5
c. x < 5
d. x ≤ 5

14. the number of children (x) and the number of adults (y) in a small boat cannot exceed 25. Which of the following represent this constraint?
a. x + y > 25
b. x + y ≥ 25
c. x + y < 25
d. x + y ≤ 25

15. how do represent the boundary line of the graph of the inequality 2x + y < 5?
a. Dashed line
b. Solid line
c. None of the above
d. Connot be determined

Can someone help me please​

User Rematnarab
by
8.9k points

1 Answer

8 votes

Explanation:

11.x+y

12.x=2y+3

13.x‹5

14.x+y›25

15.cannot be determined

User Ishio
by
8.3k points

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