Answer:
≈ 30.63 cm²
Step-by-step explanation:
The shaded area is calculated by subtracting the area of the inner circle from the area of the outer circle.
outer circle has radius = 8 ÷ 2 = 4 and inner circle has radius = 5 ÷ 2 = 2.5
shaded area = πr₁² - πr₂² (r₁ is outer and r₂ is inner )
A = π (4² - 2.5²)
= π(16 - 6.25) = 9.75π ≈ 30.63 cm²
Answer:
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Answer:
If you have a group of 700 men, 56 will be color blind
Step-by-step explanation:
The theoretical probability that a man will have some form of color blindness is 8%.
Number of men in group = 700
Number of men with color blindness in a group of 700 men
If you have a group of 700 men, 56 will be color blind
Croscheck 8% of 700 is 56
Answer:
he sum of four consecutive integers is -42.
Step-by-step explanation:
Answer:
B.0.31
Step-by-step explanation:
% of change = amount of change/original price
R=(P-D)÷P
39-27=12
12÷39=.307
≈.31
