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 2018bbenzenhafe
  • 01-08-2018

5a-10(3)=45

5a-30=45

5a=75

a=15

Answer Link
amy8450
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

A man and his grandson have the same birthday. If for six consecutive birthdays the man is a whole number of the time as old as his grandson, how old is each at
Donuts Delights, Inc.Has determined that when x donutsare made daily, the profit P(in dollars) is given by P(x) = –0.001 x2+3.2x–1450(a) What is the company's p
What do you think about them? bills of rights
Which of the following steps would reduce the fraction to its simplest from? 48/64
The sum of the first 6 terms of a geometric series is 15, 624 and the common ratio is 5 What is the first term of the series?
3. What are the military benefits of having colonies?
How many 9's are in 99
I need answers asap!!!!! The speed of sound is about 3.4 x 10 to the 2nd power meters per second. Mark is performing a science experiment and he needs to know h
Ice cream is best stores at 4 degree F with an allowance of 3 degree F. What is the best range to store ice cream? A) 4 to 8 B) 7 to 10 C) 1 to 7
from 74 hours to 85 hours find each percent change to the nearest percent if state if it's an increase or decrease​