Answer:
pls make it more clear
Step-by-step explanation:
Replace X and Y in the given equations and see if they are true:
2(5) + 2(1) = 10+2 = 12... does not equal 11 So this in not right.
2(5) +3(1) = 10 + 3 = 13 this is correct.
The answer would be: 2x+3y=13
The value of 9 in 49.21 is 9.00
but the value of 9 is 982.3 is 900
2*pi*R should be substituted in. 2*13*3 = 78
Answer: 24 students
Explanation:
(20 + 23 + 25 + 28)/4
= 96/4
= 24
Therefore the mean is 24 students in the class.
