X - how long she has lived in New York;
2x - - how long she has lived in California;
x + 2x + 8 = 62 => 3x + 8 = 62 => 3x = 54 => x = 54 / 3 => x = 18 years.
Quadratic expressions use variables and they are a branch of math
Answer:
-x∧2+2x+3
Step-by-step explanation:
(2x+2)-(x2-1)
2x+2-x2+1
-x2+2x+3
400
Explanation:
1/3 of 600 is 200. That represents the boys.
Subtract 200 from 600, you get 400. That represents everybody else in the sample size (in this case, girls).
The volume of a cone is equal to 13 times the area of the base πr2 π r 2 times the height h . Substitute the values of the radius r=6 and height h=8 into the formula to find the volume of the cone. Pi π is approximately equal to 3.14