Step-by-step explanation:
Hey, there!!
Answer: See in pictures.
<em><u>I</u></em><em><u> </u></em><em><u>hope</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>are</u></em><em><u> </u></em><em><u>searching</u></em><em><u> </u></em><em><u>this</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
First, we need to find the area of wall we need to cover. The room is 10 by 12 by 8 feet. I'm assuming that we only need to wallpaper the ceiling and side walls. It would be weird to wallpaper the floor when there is carpet/tiling.
Ceiling area:
Wall area:
Total area:
Now, we subtract 15 feet for each window and door. There are two windows and two doors.
412 square feet of wall needs to be wallpapered. Dividing this by 70 (the square footage covered by one roll) gives something a little less than 6.
6 full rolls of wallpaper will be needed to fully wallpaper the room.
Which question do i solve?
Answer:
{(-1,4), (2,7), (3,7)} is a function
Step-by-step explanation:
For something to be a function, any given x must have one and only one y
{(-1,-3), (3,2), (3,7)}
-1(x) only has -3(y)
3(x) has 2(y) and 7(y), making it not a function
{(-3,7), (3,-7), (3,7)}
-3(x) only has 7(y)
3(x) has -7(y) and -7(y, making it not a function
{(-1,4), (-1,7), (3,5)}
3(x) only has 5(y)
-1(x) has 4(y) and 7(y), making it not a function
{(-1,4), (2,7), (3,7)}
-1(x) only has 4(y)
2(x) only has 7(y)
3(x) only has 7(y)
This is a function
Answer:
Step-by-step explanation: