chantel10191
chantel10191
02-10-2018
Mathematics
contestada
21 - -7what is 21 - 7
Respuesta :
twokneee
twokneee
02-10-2018
twenty one minus seven is fourteen (14).
Answer Link
didibrown003
didibrown003
02-10-2018
21-(-7) would turn into a positive so the answer would be 28.
21-7 would be 14
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
(1.1•10^-5)(3 •10^-2)A. 4.1 • 10 ^-7B. 4.1 • 10^10 C. 3.3 • 10^-7D. 3.3 • 10^10
An element belongs to group 17 of the periodic table. The element is most likely a
answers for any questionscan a touchtone phone work without electricity
Read the following excerpt from "The City Without Us" by Alan Weisman: In a future that portends stronger and more frequent hurricanes striking North America's
What is the affect of beginning a story this way ?
On Monday, stock XYZ opened at $4.53. On Friday, it closed at $4.06. What is the rate of change of stock XYZ for this particular week? A -10.4% B -4.5% C -4
Which era spanned from 100,000 B.C.E to 600 B.C.E.
What was the American strategy for the war against Japan in the Pacific?
whole numbers are always intergers.true/false
Question 1(Multiple Choice Worth 4 points) (08.02 HC) How many liters of 4.0 M NaOH solution will react with 0.30 liters 4.0 M H2SO4? H2SO4 + NaOH → Na2SO4 + H