when adding like fractions, why are the numerators added but not the denominators? When are equivalent fractions used when adding two like fractions

A study was completed in Georgia. In northern Georgia, the study involved 3,000 patients; 84% of them experienced flulike symptoms during the month of December. The study had a margin of error of 1.7%.

Which algebraic expression is equivalent to this expression? 3 (2x - 8) - 11x A. - 5x - 8 B. - 5x - 24 C. - 17x - 24 D. - 17x - 24

Jenna constructs the model to represent 3x2 + 11x - 4. What factors does Jenna need to model for the sides? (3x + 1) and (x - 4) (3x - 1) and (x + 4) (3x - 2) and (x + 2) (3x + 2) and (x - 2)

What is the quotient? StartFraction 7 Superscript negative 4 Over 7 Superscript negative 9 EndFraction StartFraction 1 Over 7 Superscript 13 EndFraction StartFraction 1 Over 7 Superscript 5 EndFraction 7 Superscript 5 7 Superscript 13

The three-dimensional figure below is a cylinder with a hole in the shape of a rectangular prism going through the center of it. The radius is 10 yards. Find the volume of the solid in cubic yards, rounded to the nearest ten.

What is the lowest terms for 4/8

Find the next three terms of the arithmetic sequence 5, 9, 13, 17, ...

5 breeds of rabbits

over a period of two weeks, Todd went from bench pressing 190 pounds to 220 pounds. Find the increase in weight that Todd can bench press. Round your answer to two decimal places.

Graph y = - x - 5 and y = 2x + 4 step by step