Wa=0.5Wb, Ha=20, Hb is unkown
the area of rectangle a is : Wa*20
the area of rectangle b is : Wb*Hb
Rectangle a has 7 times the area of rectangle b: Wa*20=7*Wb*Hb
Replace Wa with 0.5Wb: 0.5Wb*20=7Wb*Hb => Hb=10/7
Answer:
13.73 ft²
or 14 ft² if youre rounding
Step-by-step explanation:
area of circle:
A≈50.27
area of the square:
A = 64
subtract the area of the circle from the area of the square
64 - 50.27
= 13.73 , or 14 if you round it
Answer:
3rd
Step-by-step explanation:
Hello.
The percent decrease in the mass of the pumpkin for this case will be given by:
(100 - (3.9 / 6.5) * 100) =
(100-60) =40%
After carving it, the pumpkin decreases a percent of 40% in the mass.
Have a nice day