cbroom cbroom
  • 22-09-2017
  • Mathematics
contestada

Explain how knowing 1 + 7 helps you find the sum of 7 + 1

Respuesta :

monica201710
monica201710 monica201710
  • 22-09-2017
They are  backwards so you can use them like that but just not with subtraction 

plz give thanks : )
Answer Link
jenny259
jenny259 jenny259
  • 22-09-2017
It helps you because it is the same the only that is different is that the 7 is first
Answer Link

Otras preguntas

write an expression with (-1) as its base that will produce a positive product.
829 to the nearest ten
vwho created the colony of georgia as a haven for english debtors A)lord Baltimore B)king charles 1 C)james oglethorpe D)nathaniel bacon
What colors are the organelles in a animal cell.? Thx
2x^2-x+10 solve using quadratic formula
0.00000000001 convert number to scientific notation
how do you round to the nearest tenth?
what does Eckles find on his boot at the end of the story a sound of thunder
what is 64 mi/h =_____ft/s ?
The human heart pumps 750 gallons of blood in 9 hours. A human kidney filters 100 gallons of blood in 6 hours. How many more gallons of blood does the human hea