brenda71047 brenda71047
  • 02-10-2015
  • Mathematics
contestada

Erica used friendly numbers to find 43-19 she added 1 to 19 and subtracted 1 from 43 what is Erica's error

Respuesta :

slabrecque03
slabrecque03 slabrecque03
  • 04-10-2015
42-20=22 thats the answer i belive u were looking for.


Answer Link

Otras preguntas

What were the two most powerful forces that affected learning in seventeenth-century Europe? I think it's a telescope and microscope, but I'm not sure.
In 1953, why did scientists revise their estimate from seven minutes to just two minutes to midnight on the Doomsday Clock?
What was one reason for the victory of the Communists over the Nationalists in China in 1949?
Johnny B's rectangular garden is 5 feet long and 10 feet wide. He wants to make the area of his garden 6 times as large by increasing the length and width by t
Please help me solve this problem
Select the correct answer.What is the equation of a line passing through (-6, 5) and having a slope of = ?OO A. y = 3x - 235O B. y = 1 x - 3OOD. y=3x+7OResetNex
11² = 9²+ 2square root10 .
The tides of the ocean result from the gravitational pull on the Earth by the Sun and _______ . A. the atmosphere B. Venus C. Mars D. the Moon
Solve the equations. 2.5x−3.67=1.52
Mr.white first shows fear of the paw because it