glame234 glame234

01-06-2020
Mathematics

contestada

a rectangle has length x + 9 and width 2x - 1. What is the area of the rectangle?

Respuesta :

dshtengel dshtengel

01-06-2020

Answer:

A = 2x^2 + 17x -9

Step-by-step explanation:

A = LW

L = x + 9

W = 2x - 1

A = (x+9)(2x-1)

FOIL

A = 2x^2 + 18x - x - 9

A = 2x^2 + 17x -9

Answer Link

Otras preguntas

A scientist has chosen to study the motion of clouds in the atmosphere during a thunderstorm. Which type of model is most appropriate for her investigation? a.

what is 7.3 x 10 to the 2nd power

Which list describes the properties of a liquid? A. fixed volume, definite shape B. fixed volume, takes the shape of its container C. completely fills its conta

Which list describes the properties of a liquid? A. fixed volume, definite shape B. fixed volume, takes the shape of its container C. completely fills its conta

What is the answer to 8n+16.2=1.6

Simplify the expressions 1.) 8n-(n-3) 2.) 20u-6(u+5) 3.) -w+4-(3w-13) 4.) p-5(2-3p)+1 Find the coefficients ,contstants and like terms of each problem above.

4% of what number is 25?

Which phrase best describes DNA? A. the structure that allows biochemical reactions to occur B. the structure that translates information into action C. the mol

which dispute with Britain was settled in 1846

What was Ferdinand Magellan known for? A. sponsoring the voyages of Christopher Columbus B. leading the first expedition to circumnavigate the globe C. claiming