obeyyjenny123 obeyyjenny123

01-08-2018
Mathematics

contestada

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

Respuesta :

2018bbenzenhafe 2018bbenzenhafe

01-08-2018

5a-10(3)=45

5a-30=45

5a=75

a=15

Answer Link

amy8450 amy8450

01-08-2018

5a - 10(3)= 45
5a - 30 = 45
Add 30 to both sides of the equal sign to cancel out the thirty on the left
5a= 75
divide 5a and 75 by 5
a = 15

Answer Link

Otras preguntas

Help me out please :)

Richard rolls a fair dice 72 times. How many times would Richard expect to roll a number greater than 4?

I need help asap please all you have to do is find x and complete the maze please help me

8 A student has a resistor with an unknown resistance. What two measurements must the student make to be able to calculate the resistance?

which statment best identifies the central theme of the oval protrait

How does de Las Casas portray Natuve Americans?what did they think of the Spanish according to him ?

Tomorrow is to yesterday as future is to

i need help asap ...............

3. Complete the statement: The term used to describe a one-celled organism is * O multicellular O prokaryotic unicellular primitive 4. Complete the statement: A

NEEED HELPPP !!!!!!!!!!