Answer:
(C) 18(1 + √ 3)
Step-by-step explanation:
Given,
In triangle ABC,
AC = 12 unit,
m∠A = 30°,
m∠B = 45°,
Let D∈AB such that CD ⊥ AB,
In triangle ADC,
,
By the pythagorean theorem,
Now, in triangle CDB,
Hence, the area of the triangle ABC =
Option 'C' is correct.
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Answer:
68% of the dinosaurs' ages were within 1 standard deviation of the mean.
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
What percentage of the dinosaurs' ages were within 1 standard deviation of the mean?
By the Empirical Rule, 68% of the dinosaurs' ages were within 1 standard deviation of the mean.
Answer:
Step-by-step explanation: This answer is simple. Since 55% of the wolves were males subtract the amount of wolves by cattle and that's your answer
The answer is “ A.) $3.50 “