14-05-2016
Mathematics

contestada

write these fractions in least common denominator2/5x+15y 1/2x+6y

Respuesta :

apologiabiology apologiabiology

14-05-2016

look at deonomators

assuming that the deonomenators are 5x+15y and 2x+6y

find their LCM
factor

5x+15y=5(x+3y)

2x+6y=2(x+3y)

LCM=10(x+3y)=10x+30y

multiply 2/(5x+15y) by 2/2=4/(10x+30y)
multiply 1/(2x+6y) by 5/5=5/(10x+30y)

if we add them
9/(10x+30y)

Answer Link

Otras preguntas

Which structure makes it possible for the exchange of gases to occur in the gills? A. alveoli B. capillaries C. mouth D. fins

All of the following are true of models EXCEPT: a. models have the ability to communicate c. models have the ability to correctly predict all outcomes b. model

What percentage of animals are inscets?

For most ecosystems, the ultimate source of energy is _____. a. plants b. producers c. the sun d. water

(True or False) Andrew Jackson believed that he had the right to replace federal workers with people who had supported him

Many farmers formed ____________________ so they could buy machinery at wholesale and sell their produce directly to big-city markets.

Interjections are used most commonly in

Which of the following is an example of an idiom? a. the laughing wind b. to tell a white lie c. pure as the driven snow d. buzzing and popping

the component of exercise that's most often overlooked is

What is 7 times blank equals 13