Answer:
11v^2 - 8v + 1
Step-by-step explanation:
(4v^2 - 5v - 1) + (7v^2 - 3v + 2)
open brackets
4v^2 - 5v - 1 + 7v^2 - 3v + 2
place like terms together (remember signs remain same )
4v^2 + 7v^2 - 5v - 3v + 2 - 1
add or subtract like terms
11v^2 - 8v + 1
Answer:
ok
Step-by-step explanation:
The answer is the first one because 4 feet 5 inches times 40 is 176 feet and 8 inches
Answer: 31.5ft²
Step-by-step explanation:
For any given triangle with two adjacent sides and an opposing angle, the area is determined by the formula:
1/2 * length A * length B * sin of angle of opposing side.
That is, if lenght A=x, length B= y and opposing angle is given as Z, then the area of such triangle becomes:
Area = 1/2 *x*y*sin Z
For the given triangle, x = 11feet, y = 10feet, Z=35°
Area= 1/2 * 11 * 10 * sin 35
Area = 31.5469ft²
Rounding up to the nearest tenth,
Area = 31.5ft²