babii2005 babii2005
  • 20-11-2019
  • Mathematics
contestada

three times a certain number, n, is 21​

Respuesta :

amandaaa8243 amandaaa8243
  • 20-11-2019

Answer: 7

Step-by-step explanation:

3n=21

n=7

Answer Link

Otras preguntas

446,221 rounded to the nearest ten thousand
matt gave q quarters and n nickels to his sister. which expresstion represents the amount in dollars that matt gave to his sister? a. (0.25 0.05)xqn b. 0.25 0.0
help me.. a car moves for half of its time at 80km/h nd for rest of time at 40km/h.total distance coverd is 60km..wat is averge speed of car?
0.77 the digit in the tens place is how many times is the value of the digit in the hundreds place
walter is 3 times as old as martin. ten years from now, walter will be twice as old as martin will be then. how old is each now?
in most energy sources, such as fossil fuels, where is the energy originally derived from?
one factor that can influence one’s political ideology is a person’s
Why is it important for scientists to repeat an experiment several times before they are confident of their results?
30,290,447 write in expanded form
what is the place value of the digit 4 in the number 834,051?