Answer:
456
Step-by-step explanation:
Let X be the SATscore scored by the students
Given that X is normal (1000,200)
By converting into standard normal variate we can say that
is N(0,1)
To find the top 10% we consider the 90th percentile for z score
Z 90th percentile = 1.28

i.e. only students who scored 456 or above only should be considered.
All you do is add the numbers and that is how you get your answer!
Answer:
48 miles per hour
Step-by-step explanation:
If they traveled 2400 miles and the total driving time was 50 hours, divide 2400/50 in order to find how many miles they drove per hour.
I think 2,057.21 because 18,541.89 divided by 9 is 2,057.21
<u>-5a²+13ab</u> should be subtracted.
<h3>Step-by-step explanation:-</h3>
Based on the given conditions, formulate,


Taking the coefficients or numbers, we get,

