Answer:
b.
Step-by-step explanation:
Here we are given and are asked to simplify it. We are going to apply the law of exponents which says that
Hence applying this rule in our problem we get, where a=y and n=3
Hence our C) Option is correct
Answer:
5/6 is greater
Step-by-step explanation:
Divide each, and change to decimal:
5/6 = ~0.83
1/4 = 0.25
0.83 > 0.25 ∴ 5/6 is greater
~
Answer:
Step-by-step explanation:
volume =triangular area× length
=1/2×6×3×14
=126 ft³
R=-8 because you take 8 and subtract 16 from it.
<h2>
Answer with explanation:</h2>
Given : Sample size : n = 36
Significance level for 90% confidence :
Sample mean :
Standard deviation :
By using standard normal table for t-values,
Critical t-value :
Thus, the correct value of t to construct a 90% confidence interval for the true mean percentage of cacao :
Confidence interval for population mean :
Hence, A is the correct answer .