Answer:
29.7 m²
Step-by-step explanation:
The relevant area formula is ...
A = 1/2ab·sin(C)
A = 1/2(12.6 m)(8.9 m)sin(32°) . . . . use given values
A = (1/2)(12.6)(8.9)(0.52992) m² ≈ 29.7 m²
Answer:
The sine function ranges between -1 and 1, so the minimum is -1 and the maximum is 1.
First divide the rocks per 3/4 of an hour by 3 and multiply by 4 to get the production per hour. then subtract the already moved rocks from the total job and divide the answer by 16 (the rocks moved per hour) getting the time needed to move the rest
10 hrs + (15/60)hr
10hrs + 0.25hr
10.25 hrs
F(x) = √(5x + 7)
g(x) = √(5x - 7)
(f + g)(x) = f(x) + g(x)
(f + g)(x) = √(5x + 7) + √(5x - 7)
Answer: C)