Answer:
Area of the walkway = 8<em>x </em>+ 24
Step-by-step explanation:
Area of the total backyard = 
Area of total backyard = 
Now, Area of the rectangular garden =
Area of the rectangular garden = 
Now area of the walkway poured with concrete = Area of the backyard - Area of the rectangular garden
= 
= 
= 8<em>x</em> + 24
Answer:
i'm doing the same question but i think it is a right triangle but in a different position.
Step-by-step explanation:
Use Pythagorean theorem
a^2 + b^2 = c^2
12^2 + 35^2 = c^2
144 + 1225 = c^2
1369 = c^2
Sqrt 1369 = c
37 = c
Answer:
77
Step-by-step explanation:
Add the numbers together, then divide them to how much numbers are there.
74 + 75 + 80 + 76 + 75 + 81 + 78 = 539
Since there are 7 numbers, you divide 539 by 7.
539/7 = 77
