Find the cotangent of angle B. 1. 12/5 2. 12/13 3. 13/12 4. 5/12
2 answers:
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Answer:
a₈ = - 10935
Step-by-step explanation:
the nth term of a geometric sequence is
= a₁
where a₁ is the first term and r the common ratio
here a₁ = 5 and r = =
= - 3 , then
a₈ = 5 × = 5 × - 2187 = - 10935
Answer: The zeros are x= -1 and x= -3
Complete Question
A biologist reports a confidence interval of (3.5,4.9) when estimating the mean height (in centimeters) of a sample of seedlings. What is the estimated margin of error and the sample mean?
Answer:
The margin of error is
The sample mean is
Step-by-step explanation:
from the question we are told that
The upper limit is
The lower limit is
Generally the margin of error is mathematically represented as
Generally the sample mean is mathematically evaluated as
=>
=>