sberi1972 sberi1972
  • 04-07-2018
  • Mathematics
contestada

The range of all real numbers x such that 2x-5 <7 and 4x+10>6 is

Respuesta :

DeanR
DeanR DeanR
  • 04-07-2018

Simultaneous inequalities.

The first one gives

2x -5 < 7

2x < 5+7 = 12

x < 6

The second one

4x + 10 > 6

4x > 6 - 10 = -4

x > -1

Note we always divided by positive numbers, so the sense of the inequaltity never changed.

Our final answer is

-1 < x < 6


Answer Link

Otras preguntas

What year was the company Apple founded?​
Bonjour,après avoir ecrit ce texte en français je dois le traduire en anglais.Merci à ceux qui prendront la peine de m'aider. Ce passage commerciale est une vra
Which string displayed using the ls –l command in a Linux terminal indicates that group permissions are set to read and modify?
Explain how to simplify this complex fraction. Interpret the meaning of the result.
GIVING BRAINLIEST!!! STATEMENT REASONING NEEDED!!! 100 POINTS!!!
Please could anyone help me? I need figurative language qoutes that supports the central idea that life is like a play in the text “Miss Brill”
According to research, chronic, long-term stretching protocols tend to lead to which of the following?
The product of a nonzero rational number and an irrational number is always rational. True False
Best rap song of 2019? Best album? Explain why. Be sure to to talk about beats, lyrics, word usage, meaning, and flow.
3. To see data for users from the U.S. and Canada only in a view, which filter would be applied?