kaileywalsh7 kaileywalsh7
  • 11-03-2019
  • Mathematics
contestada

Suppose a-b=0 which one of these expressions equals ab
A) 2a
B)2b
C)a/b
D)0
E) b^2

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 11-03-2019

Answer:

  E)  b^2

Step-by-step explanation:

Solving the first equation for a, we get ...

  a - b = 0

  a = b . . . . . . add b to both sides

Now, the expression ab can be rewritten as

  ab = bb = b^2 . . . . . . substitute b for a

Answer Link

Otras preguntas

Trending data is needed when evaluating fitness levels in order to __________. A. compare against others B. chart overall progress C. correct inaccurate data D.
0.54 as a percentage
What type of government acts as a unifying force for people in England? A. Anarchy B.Dictatorship C.Monarchy D.Oligarchy
solve the system using an augmented matrix -x-3y=-17 2x+6y=-26show your work
Why did Europeans ship goods to Africa during triangular trade?
Which of these elements is unlikely to have a reaction with any element or compound? rubidium (Rb) magnesium (Mg) cobalt (Co) argon (Ar)
What does catalase do? Use the terms substrate and product in your response.
Complete and balance the molecular equation, including phases, for the reaction of aqueous sodium sulfate, Na2SO4, and aqueous barium nitrate, Ba(NO3)2.
how did the death of archduke franz ferdinand urge on the collapse of peace in europe
what is the possessive noun for Ben Franklin