kayleeeann kayleeeann
  • 04-05-2017
  • Mathematics
contestada

What is the value of 8 of a in the equation 5a-10b=45, when b=3

Respuesta :

Equanimity
Equanimity Equanimity
  • 04-05-2017
Since B=3, we'll plug in 3 for B.
5a - 10(3) = 45.
Multiply 3 by 10 since it was "10b".
5a -30 = 45
Add 30 to each side to get 5a by itself.
5a = 75
Divide by 5 on each side.
a = 15
I hope this helps!
Answer Link

Otras preguntas

A jail where inmates are housed in small groups, or pods, staffed 24 hours a day by specially trained officers who interact with the inmates is called a
What structures make up the outer ear?
Which statement BEST describes a difference between a presidential system of democracy and a parliamentary system of democracy? A. The president acts as
The pedigree chart below shows the inheritance of a genetic trait in a line of sheep. mc017-1.jpg If sheep 7 was to have offspring, in which generation would t
pls help me solve this problem
Hydration is essential to avoiding many common injuries during sport and physical activity. True or False
How might an interventionist help parents with an ability diverse child?
what major colonial city was betsy roos from
Why might there be an increase in the number of opium farms in Southeast Asia? 1.) Declining prices for existing crops 2.) Soaring prices for opium 3.) Purcha
What battle began when the union cavalry surprised the Rebel infantry raiding the town for shoes?