wyndygreen1 wyndygreen1
  • 23-10-2014
  • Mathematics
contestada

The sum of a number times 7 and 19 is at least 21

Respuesta :

Izzywombat Izzywombat
  • 23-10-2014
so 7x+19 has to be greater then or equal to 21
Subtract 19 from both sides to get 7x >_ 2
so × has to be greater than or equal to 2/7
Answer Link

Otras preguntas

How did the end of the Civil War help the Union Pacific Railroad? It supplied the railroad with labor in the form of free African Americans. It freed the govern
answer them all please!!
Write a letter to your friend to reject his invitation​
Which sentence uses the time-related term correctly? A: Peter enjoys reading about American history, especially the last 40 years, or four decades. B: Peter enj
If 3x + 2y = 5, what is the value of the expression 6x + 4y - 7?
Help me pleaseeeee!!!
Which sentence uses the time-related term correctly? A: Peter enjoys reading about American history, especially the last 40 years, or four decades. B: Peter enj
The ratio of boys to girls in a class is 3:4. There are 35 students in the class. How many students are boys?
The graph represents this system of equations. A system of equations. y equals 4. y equals 3 minus StartFraction on-half EndFraction x. A coordinate grid with 2
Graph the line. y=x-8 please hurry, 15 points