Answer:
20
Step-by-step explanation:
Answer:
The correct option is D.) Causation cannot be determined from an observational study.
Step-by-step explanation:
The conclusion is not correct because
D.) Causation cannot be determined from an observational study.
Causation determined from an observational study is speculative and cannot be confirmed without data from a real experiment.
Answer:
A. 41 (12 - 2)
Step-by-step explanation:
If the club decided to charge $12 for a hat, but reduced the price by $2, the reduced price of the hat is (12 - 2). The amount of money earned is based upon the price of the hat multiplied by the number of hats sold. Therefore, the answer is 41 (12 - 2).
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Answer:
The imaginary part is the multiple of i. It is common practice to use the letter z to stand for a complex number and write z = a + bi where a is the real part and b is the imaginary part. where a is the real part and b is the imaginary part.
Step-by-step explanation:
You can easily check that a complex number z = x + yi times its conjugate x – yi is the square of its absolute value |z|2. Therefore, 1/z is the conjugate of z divided by the square of its absolute value |z|2.
Complex numbers A complex number z is defined as an ordered pair z = (x, y), where x and y are a pair of real numbers.
Angles D and G are 80 degrees
