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 :

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 other countries celebrate the 4th of July?

Which two U.S. presidents were impeached?

Whats is the definition of Parallel Circuit

Which poem-turned-song, written by Katharine Lee Bates, was originally called “Pikes Peak” and describes our country’s natural splendor and the patriotism of i

Snap, crackle, pop! Name the cereal capital of the world: a. Kellogg, Minn. b. Battle Creek, Michigan c. General Mills, Idaho

Who was Samuel F.B. Morse?

A plasma membrane and a cell wall 1. Are two names for the same thing 2. Have the same structure and different functions 3. Have different structures and the s

The 555-foot-tall Washington Monument in Washington, D.C., is an example of which of the following types of structures? a. pyramid b. geodesic dome c. obeli

Name the singer/songwriter of “On the 4th of July.”

If you are standing in front of 1600 Pennsylvania Avenue, what are you looking at? a. the Capitol building b. the Metropolitan Museum of Art c. the White Hou