Answer:
Step-by-step explanation:
8x+9/x^2-13x+42
Write 8
x as a fraction with denominator 1
8x+9/x^2-13x+42
then we multipuly 8x/1 by x^2/x^2
Answer:
27/40
Step-by-step explanation:
Find the lowest common denominator
Answer:
The value is
Step-by-step explanation:
From the question we are told that
The population mean is 
The proportion is 
The value considered is 
Generally given that the speed measurement is normally distributed we have that

Generally


Hence

The volume of a cone can be found by using the equation V=(1/3)(pi*r^2*H). Given the information that H= 6cm and V= 8pi cm^3, the expression is 8pi=(1/3)(pi*r^2*6). (The second picture.)