Answer: The negative solution is -2
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
Dimensions of the old square brick patio:
Note: a square has equal side measure
Dimensions of the new patio
==> she increased length by 5 ft
she reduced width by 5 ft
Expression of the length and width of the new patio is:
Area of the new patio:
Dimension of original patio = x by x = 12 ft by 12 ft.
To find area of the new patio, replace x with 12 in the expression, , which gives you the area.
Answer is D.
Substitute n with 5 and 6
(3x5)+5 = 20
(3x6)+5 = 23
If it's a regular octahedron, then you can calculate it using the formula
where
is the length of the edge.
If it's not regular, you have to calculate the area of each side individually.
Answer: I really dont know sorry
Step-by-step explanation: