Quadratic formula = (-b +- sqrt(b^2 - (4ac))) / 2a

and

then simplify and solve
Answer:
The weight of the three blades together is 
Step-by-step explanation:
step 1
Find the area of the circle
The area of the circle is equal to

we have

assume

substitute


step 2
Find the area of the 3 blades
we know that
The area of the 3 blades represent a central angle of 60 degrees, so
its a 1/6 of the area of complete circle

step 3
Find the weight of the three blades together to the nearest gram

The complete question in the attached figure
we know that
perimeter=24 ft
[the perimeter of a rectangle]=2*8+2*x-----------> 16+2x
24=16+2x-------> 2x=24-16----------> 2x=8----------> x=4 ft
the answer is
the option C) x=4 ft
Answer:
Each piece of tofu weighs 0.847 ounces.
Step-by-step explanation:
8.47 divided by 10 = 0.847 ounces
Hope this helps
Answer:
maybe lol
Step-by-step explanation:
user and pass?