A penny is thrown from the top of a 26.6-meter building and hits the ground 3.59 seconds after it was thrown. The penny reached
2 answers:
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Answer:
Step-by-step explanation:
We are given the following in the question:
The organizers estimate that the variation in distance flown by the athletes will be σ = 10 meters.
This will be stated by the null hypothesis.
It was claimed that the organizers are underestimating the variation and the variation in distance is greater than 10.
This will be stated by the alternate hypothesis.
The parameter for the given hypothesis is standard deviation, .
Answer:
and
Step-by-step explanation:
The given complex number equation is:
We simplify the LHS and compare with the RHS
We collect LCD on the left to get:
Simplify to get:
Rationalize the LHS:
Expand the numerator using the distributive property and the denominator using difference of two squares.
Simplify to get:
By comparing real parts and imaginary parts; we have;
and