What is the answer to. -4=5n+6
2 answers:
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Probability of an adult who needs correction = 82% or 0.82
So, probability of an adult who does not needs correction = 1 - 0.82 = 0.18
If 12 adults are randomly selected, the probability that at least 11 of them need correction for their eyesight is:
12C11 + 12C12
= 12*0.11*0.18 + 1*0.09*1
= 0.238+0.09
= 0.328 or 0.33
And, yes, 11 is significantly a high number of adults requiring eyesight correction.
To get the surface area of the sphere, we need to know the radius. Since the volume is given, we can get the radius.
Volume =
π r³
5000πm³ = π r³
5000m³ = r³
5000m³ x 3 = 4r³
= 
<span>
</span>∛3750 = ∛r³
r = 15.536m
r = 15.54m
Since the radius is now known, substitute it directly to the surface area formula
A = 4π x r²
A = 4π x (15.54)²
A= 3,034.67 m² or 3,035 m²
Volume =
5000πm³ =
5000m³ =
5000m³ x 3 = 4r³
</span>∛3750 = ∛r³
r = 15.536m
r = 15.54m
Since the radius is now known, substitute it directly to the surface area formula
A = 4π x r²
A = 4π x (15.54)²
A= 3,034.67 m² or 3,035 m²
Since Sin is equal to opposite over hypotenuse
so that's mean Sin(60°) =
#I just rounddown from angle 65° to 60° as the number is not that much different.
and Sin(60°) is equal to
so we got Sin(60°) = =
x =
x ≈ 14
then we can answer C)14.5
the answer D) is not correct for sure because the opposite cannot be longer than hypotenuse in the Right Triangle form.