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

Two random samples were taken to determine how often people in a community listen to the local radio station each month. The first sample surveyed 15 people as

generally compound curves are not filtered recommended for A. Road B. water way C. underground road D. rail way

how google controls the life of average person

Kara is training for a 5 kilometer race. On the first day, she runs 0.75 kilometer What percent of the total distance does she run the first day of training.

Lectura Ana y Jaime están en la estación de autobuses. Ana lleva dos maletas y Jaime, una. Ellos van a Ponce a visitar a unos amigos. La puerta del autobús est

In a paragraph, explain whether or not all geometric sequences are exponential functions.

I am having trouble with converges and diverges

What were the Camp David’s Accords and how did they affect the U.S and other countries?

Doctors describe a premature birth as a condition when a baby is born before 37 weeks. Why do you think doctors label babies born at 37 weeks as premature when

what is the name of upcomming new element?