Answer:
B. 9/91
Step-by-step explanation:
-81/9 = -2
9/81 = 1/9
√9 = 3
√81 = 9
B is the odd one out; it's a fraction.
Answer:
Step-by-step explanation:
m∠1+∠2=180
2x+40+2y+40=180
2x+2y=180-80
2x+2y=100
x+y=50
x=50-y
m∠1=m∠3
2x+40=x+2y
2x-x=2y-40
x=2y-40
2y-40=50-y
2y+y=50+40
3y=90
y=30
x=50-y=50-30=20
m∠1=2x+40=2×20+40=80°
m∠2=2y+40=2×30+40=60+40=100°
m∠3=x+2y=20+2×30=80°
Answer:
49 7/12
Step-by-step explanation:
The is the correct answer x=80
Step-by-step explanation:
×/21 x ×/21 = 7× x/21
x= 1/3
