Answer:
He needs to get 96%
Step-by-step explanation:
Add 96 89 77 and 78 together and divide by 4, it should be 85
<span>sin A cos B=1/2[sin(A-B)+sin(A+B)]
sin(at)*cos(2at)=1/2[sin(3at)-sin(at)]</span>
<span>
</span><span>
</span>
Answer: 0.14
Step-by-step explanation:
You had to convert the decimals into percentages move the decimal point two places to the left which makes 14% the answer
The arithmetic mean provides a single measure for a certain population, also called the average.
The sum of a set of numbers divided by the total number of numbers in the set is known as the arithmetic mean or arithmetic average in mathematics and statistics.
The ratio of the total number of observations divided by the sum of all the given observations is known as the arithmetic mean. For instance, if the data set contains 5 observations, it is possible to get the arithmetic mean by adding all 5 of the given observations and dividing by 5.
Learn more about arithmetic mean here
brainly.com/question/20118982
#SPJ4
