Answer:
0.8% or 80%
Step-by-step explanation:
24/30 is equivalent to 80/100
80/100 as a decimal is 80%
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Step-by-step explanation:
the area of a full circle (360°) is
pi×r²
r = 15 ft in our case
the area of a segment of a circle is the corresponding fraction of the whole circle area.
the angle of the shaded area is
360 - 332 = 28°
therefore, the area of the shaded area is
pi×15²×28/360 = pi×225×28/360 = pi×225×7/90 =
= pi×5×7/2 = 54.97787144... ft²
≈ 54.98 ft²
the area of the "ice rink" is the sum of a rectangle and a circle (which is split into 2 halves that are attached to both sides of the rectangle).
the radius of the circle is 7/2 = 3.5 meters.
the length of the rectangle in the middle is
18 - 2×3.5 = 18 - 7 = 11 meters.
so, the area of the rectangle is 11×7 = 77 m²
the area of the circle is
pi×r² = pi×3.5² = pi×12.25 = 38.48451001... m²
that means the total area is
77 + 38.48451001... = 115.48451... m² ≈ 115.48 m²
Answer:
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Answer:
Total amount of skim milk needed to be added = 0.83 liters
Step-by-step explanation:
Required fat in the resultant milk = 2%
Current amount of fat in the milk = 3.5%
So, 1 - 0.57 = 0.43 liters of skim milk to be added per liter to make the quantity of fat 2% in the whole milk.
Quantity of milk present = 2 liters
So, total amount of skim milk needed to be added = 2 × 0.43
= 0.83 liters