Answer:
x = 3
Step-by-step explanation:
We can solve this by using ratios of similar triangles
3 x
------ = ------------
3+9 12
3 x
------ = ------------
12 12
x must equal 3 to keep the ratios the same
You do 5*7=35 and then subtract 35-30 to get your answer 5 less species
Answer:
Therefore the friends will have to buy 511 feet of fence (rounding up) or 510 feet of fence ( to the nearest foot).
Step-by-step explanation:
i) perimeter of rectangular yard = 319 feet
ii) perimeter of yard of friends 
iii) Therefore the friends will have to buy 511 feet of fence or 510 feet of fence ( to the nearest foot).
Answer:
10
Step-by-step explanation:
8^2+6^2=c^2
64+36=c^2
100=C^2
10=c
Answer:Which fraction is a terminating decimal when written in decimal form?
Step-by-step explanation:1+1=2