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

For a conclusion to be accepted by the scientific community, the data must be accurate, free from error, and A.reproducible. B.varied. C.unique. D.surprising

What can go into 36 and 15

during the run she drinks 4 bottles of water containing 750ml each how many litres of water has she drank in total in litres

Which event marks the climax in "The Glass of Milk"? a. The boy refuses the sailor's offer of food. b. The boy falls asleep facing the sea. c. The boy takes

what is 3a b2 b3 4b2 4 5a identify like terms

Read the sentences from "To Build a Fire": Any man who was a man could travel alone. But it was surprising, the rapidity with which his cheeks and nose were fre

What is the verb phrase? He might have gone to a friend's house.

Is 6 a múltiple factor Of 24

Is 30.249 greater or less than 30.429

a sample has a mass of 15 g and a volume of 3mL