07-03-2017
Mathematics

contestada

The long side of a rectangle is 3x+21 units, and it's area is 3x^2+33x+84. Find the width

Respuesta :

amazingmaddi amazingmaddi

07-03-2017

l*w=area
(3x+21)*w=3x^2+33x+84
w=(3x^2+33x+84)/3x+21
(3(x+4)(x+7))/3(x+7)
w=x+4

Answer Link

Otras preguntas

Compare the functions shown below: f(x) x y −3 −27 −2 −8 −1 −1 0 0 1 1 2 8 3 27 4 64 g(x) linear graph with y intercept of negative 1 and x intercept of negativ

Rory is staying in a cabin on a hill 300 feet above sea level. She walks down the hill to the water’s edge. The equation of her average change in elevation over

what are the agonist and antagonist muscles of the wrist

Which atoms are in all carbohydrates? A. carbon, nitrogen, oxygen / B. carbon, phosphorus, oxygen / C. carbon, hydrogen, nitrogen / D. carbon, hydrogen, oxygen

What did President Roosevelt believe was the best way to prevent future wars?

Which is the main difference between the organization of a narrative text and an expository text? A narrative text organizes its events around a plot while an e

All of the following are examples of electric current except _____? A.Charges flowing in one direction through a circuit B. Charges moving through a conductor C

Which sociologist suggested that gender inequality become more pronounced with the development of the plow as men assumed the duties of plowing and caring for t

the distance from earth to mars is about 35,000,000 miles. What is the order of the magnitude of this number?

Fill in the blank with the correct answer according to the School Activities video. A Jorge le gusta la clase de educación física porque le gusta __________ dep