tommekd tommekd
  • 14-10-2016
  • Mathematics
contestada

A number b minus 4.2 is less than −7.5

Respuesta :

Brainchan
Brainchan Brainchan
  • 15-10-2016
b - 4.2 < -7.5
subtract b and 4.2 
less then sign is <
then <-7.5
Answer Link
OrethaWilkison OrethaWilkison
  • 14-01-2019

Answer:

Given: A number b minus 4.2 is less than -7.5.

Here, b is the number.

"less than" symbol is represented by '<'

"minus" means subtract.

"b minus 4.2" translated to  b - 4.2

Then, our inequality becomes;

[tex]b - 4.2 < -7.5[/tex]

To solve for b;

Add 4.2 both sides we get;

[tex]b -4.2 + 4.2 < -7.5 + 4.2[/tex]

Simplify:

[tex]b < -3.3[/tex]

Therefore, an inequality for the given word sentence is,  [tex]b - 4.2 < -7.5[/tex]




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