Answer:
6.4 × 10^-5
This is the standard form of 0.000064.
The average time taken by each student to complete a project is given by:
A. the mean.
<h3>What is the mean?</h3>
The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.
The average time has to include all students, which excludes the median(50th percentile) and the mode(most common value), hence option a is correct.
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Considering the sequences given, the first number that appears in both sequences is given by: 45.
<h3>What numbers appear in the first sequence?</h3>
The rule is multiply by 3 starting from 5, hence the numbers are:
(5, 15, 45, 135, ...).
<h3>What numbers appear in the second sequence?</h3>
The rule is add 9 starting from 18, hence the numbers are:
(18, 27, 36, 45, ...).
45 is the first number that appeared in both sequences.
More can be learned about sequences at brainly.com/question/6561461
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Answer:
The answer is D Im 100% sure
If im right can you please mark me as Brainliest?
You have to use the Pathagoream theorem a^2+b^2=c^2
10^2+ 12^2=c^2
100+144= c^2
244=c^2 then you have to find the square root of 244
c=15.62