Answer:
18m
Step-by-step explanation:
Since the given traingles are similar
We get






Hence the distance across river is 18m
The first question = 3p
The second question =
4x-3y+10z
Answer:
She can buy 5 rolls of crepe paper with 2ft of paper left.
Step-by-step explanation:
If you multiply 12ft by 4 sides you will get 48ft so then 5 rolls of paper that is 10ft equals 50ft so you will have more than enough paper
Answer:
no
Step-by-step explanation:
let x=12 and y=25 and substitute:
does 25 = 2(12)+2?
no, 25 ≠ 26
Let x be the number.
x-x²=2/9, so 9x-9x²=2 or 9x²-9x+2=0=(3x-2)(3x-1). Therefore x=2/3 or 1/3.
Check: 2/3-4/9=6/9-4/9=2/9 and 1/3-1/9=3/9-1/9=2/9.