akabadatmath
akabadatmath
02-10-2015
Mathematics
contestada
add or subtract mentally 16.9+ 12.1
Respuesta :
Brionna97
Brionna97
02-10-2015
When you add it mentally you'd get 29
When you subtract it mentally you'd get 4.8
Answer Link
Percy2Chase
Percy2Chase
02-10-2015
Well, just add or subtract it form the back and work your way to the front, and you have to remember what the digit was.
16.9 + 12.1 = 29
16.9 - 12.1 = 4.8
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
find the distance and airplane travels if it goes 400 miles per hour for 3 hours.
1.What Canadian landform covers about half of the country? A)the Interior Plains B) the Canadian Shield C) the St. Lawrence Lowlands D) the Yukon Territory 2.Wh
what is the value of 2 in 0.259
Enzyme, antibody, hormone, and muscle are roles played by _____. carbohydrates proteins lipids nucleic acids
what does don't judge a book by its cover mean
what is 0.8-0.5/5+0.2
Which statement accurately describes Italy's terrain? A. Fertile plains make it possible for farmers to grow a variety of crops. B. Large areas of tropical rain
Carly made a coaster for her juice cup. The dimensions are 9/10 for length and width. What is the area of Carly's coaster if it's shaped like a square?
How would you prepare 250 mL of a 6.0M NaNO3 solution from a 15M NaNO3 solution?
does our body has cells
