Answer:
what grade is this?
Step-by-step explanation:
9.
Well the first has the angles being 3x+12,x,and 90 so they have to add up to 180 degrees because it is a triangle.
3x+12+x+90 = 4x+102 = 180 solve
4x+102=180
4x=78
x=19.5
63 cm square is the area of a trapezoid, to find area you need to find first height of a trapezoid with the help of Pythagoras equation, than put the value in the formula
A = (a+b)/2*h
Answer:
1) 6A + 4S = 548
2) A +12 = S multiplying by 4
2) 4A -4S = -48 then we add equation 1)
1) 6A + 4S = 548
10A = 500
50 Adult Tickets were sold and
62 Student Tickets were sold.
Double Check
50 * $6 = $300
62 * $4 = $248
Total = $548 Answer is correct!!!
Step-by-step explanation:
