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 ( 89+ )
Otras preguntas
How many grams of Carbon are in sample of 400 grams of Co2?
these are organism that come from the same cell and are genetically identical to one another
Let f : \mathbb{R}^{2} \to \mathbb{R}^{2} be the linear transformation defined by f(\vec{x}) = \left[\begin{array}{cc} 4 &3\cr 2 &1 \end{array}\right] \
how do you find cause and effect
5. Give an example of a job in American society that fits the following criteria. a. High in power, prestige and property: b. High in prestige, but low
Sprinting near the end of a race, a runner with a mass 63 kg accelerates from a speed of 25 m/s to a speed of 26 m/s in 54 s. To gain speed the runner produces
About how much does a shoe weigh?
Which fraction is the greatest? A) 3 366 B) 5 240 C) 7 434 D) 8 280
According to a survey, 15% of city workers take the bus to work. Donatello randomly surveys 10 workers. What is the probability that exactly 6 workers take the
8. A block of iron occupies a volume of 20.0 mL and weighs 40.0 g. What is its density?