Answer:
a=5-b
now substituting to 2nd eqn
5-b-b=1
5-2b=1
4=2b
b=2
again,
a-2=1
a=3
Christmas font Courier South Crystal Downs matemáticas
Your answer would be 0.05 hope I could help!!
Answer:
x = 36.5
Step-by-step explanation:
The two triangles are similar so we can use the similarity ratio to find x
AB ~ DE and BD ~ BA
15/31 = x/(x+39) cross multiply expressions
31x = 15x + 585
31x - 15x = 585
16x = 585 divide both sides by 16
x = 36.5 approximately
Answer:
32 years old
Step-by-step explanation:
Reverse what the teacher said. Half 120 to get 60. Subtract 28 from 60. The teacher is 32.