Answer: bottom one I think
Step-by-step explanation:
Answer:
you can use a website called calculator soup the answer is -9/14 please mark me branlist
Step-by-step explanation:
Answer:
The percentage of the students scored higher than 89% is 15.87%
Step-by-step explanation:
we are given
The average test scores for a particular test in algebra was 84
so, mean is 84
a standard deviation of 5
so,
we have
x=89
now, we can use z-score formula
now, we can plug values
now, we can use calculator
and we get
So,
The percentage of the students scored higher than 89% is 15.87%
The formula for an arithmetic sequence is as follows:
In this formula, represents the th term of the sequence and represents the common difference between each term.
Plug in the known values.
Subtract.
Multiply.
Add.
The scale factor is 1/2 or .5 because 200*.5=100 and 100*.5=50 and so on