Answer:
0.3 or 3/10
Step-by-step explanation:
100%=1 so 30%=0.3
5x + 3y = 460
5(x + y = 120)
5x + 5y = 600
Use elimination subtraction
-2y = -140
y = 70
There are 70 student tickets
rectangular base= 6*10= 60cm^2
big triangles = 12*5=60, 60*2=120cm^2
small triangles= 12.6*3=37.8, 37.8*2=75.6cm^2
add = 255.6 cm^2
Answer:
Step-by-step explanation:
Answer is 9 root3
this is because it is one of the special triangle: with special ration of 2x:root3x:1x
you could plug values into the sin formula as well.
9 cm is the smallest length since it is across from the 30° angle. so there fore 9 is 1x
x is 9.
root3x = 9root3
