suryaniatik004 suryaniatik004
  • 02-10-2021
  • Mathematics
contestada

solution of the inequality |7x-5| < |3x+11| is ...​

Respuesta :

ferrybukantoro
ferrybukantoro ferrybukantoro
  • 02-10-2021

Step-by-step explanation:

|7x-5| < |3x+11|

(7x-5)² < (3x+11)²

49x²-70x+25 < 9x²+66x+121

40x²-136x-96 < 0

5x² -17x -12 <0

(5x+3)(x-4) < 0

the solutions :

{x | -3/5 < x < 4}

Answer Link

Otras preguntas

If the birth rate is 10 per 1,000 and the death rate is 10 per 1,000,then the growth rate is A.20% B.10 (C.0%) D.100%
what is a fraction of 0.25
I'm offering  about 20 points for this! Rudyard Kipling wanted the reader to see the similarities between the animal characters in the Jungle Book and their “La
why were the jobs in each region different
chad buys peanuts in 2-pound bags. he packages them into bags that that 5/6 pound of peanuts. how many 2-pound bags of peanut should chad buy so that he can fil
For a school play, the teacher asked the class to set up chairs in 20 rows with 25 chairs in each row. After setting up all the chairs, they were 5 chairs short
Which pair of ratios form a proportion? A. 5 : 11 and 6 : 12 B. 7 : 13 and 21 : 39 C. 8 : 14 and 24 : 30 D. 10 : 20 and 20 : 30 Please help me.
An antonym is a word that's
Why do most wealthy nations have much higher tax rates than the United States does? They steal money from their citizens. They spend much more on their armies.
give me 5 important facts about plagiarism