Wats the question im confused
Answer:
Numbers of students at a primary school before= 240
Number of increased students =42
Again,
Increased number of students in percent(%)= 42/240×100%= 17.5%
Therefore 17.5% students are increased this year.
Answer:
x=-3 y=4 or x=3 y=-4
Step-by-step explanation:
Answer:
13.78
Step-by-step explanation:
[13x(percent as decimal)]+13
(13x0.06)+13
0.78+13
$13.78
Hopes this answers your question and helps
Answer: c. 91
Step-by-step explanation:
Given : A linear regression equation was computed to predict the final exam score from score on the midterm exam.
The equation of the least squares regression line was

, where y= the final exam score
x= the midterm exam score.
if Joe score a 90 on the midterm exam, the put x= 90 in the above eqaution , we get


Hence, the predicted value of his score on the final exam would be 91.
Therefore , the correct answer is c. 91 .