Seudónimo Seudónimo
  • 19-06-2020
  • Mathematics
contestada

Given the equations below what is the value of ab?
10b-9a=6
b-a=1

Respuesta :

bbooobb
bbooobb bbooobb
  • 19-06-2020

Answer:

12

Step-by-step explanation:

Adding a to both sides of the second equation we get b = a+1

Substituting this in we get

10a + 10 - 9a=6

a +10 =6

a=-4

Putting this back in to the second one we get b+4=1

B=-3

-4*-3=12

Answer Link

Otras preguntas

the warm, dry wind, or _______, melts snow at the base of the rockies
What Is the value of n? -2/3n= 12
The idea of "natural rights" means that
There are a total of 126 people in a group. One person in seven has a cat for a pet. How many people do not have a cat?
12 is 25% of what number using a ratio table
Today, American society is ___________. less tolerant of divorce more tolerant of divorce made up of only single-parent families tolerant of only no-fault divor
calculate the slope of a line that intersects points (6,2) and (-4,-3).
Today, American society is ___________. less tolerant of divorce more tolerant of divorce made up of only single-parent families tolerant of only no-fault divor
What are the three parts of the Cell Theory?
Please help me How do you write 3.1 in expanded word form?