laisha4
laisha4 laisha4
  • 19-10-2016
  • Mathematics
contestada

Twice the sum of a number and 4 is equal to 9

Respuesta :

frenchfry15
frenchfry15 frenchfry15
  • 19-10-2016
It could be 2.5+2.5=5 and then add that to 4 and that equals 9
Answer Link
TheSMan
TheSMan TheSMan
  • 19-10-2016
2x(4+n)=9
8 +2n = 9
2n = 9-8
2n = 1
n = 0.5
Answer Link

Otras preguntas

Instead of papers, scribes wrote on: linen cloth dried, scraped animal skins stone tablets
On a scale drawing, which of the following has a scale of 1:6? A. 1 cm represents 12 cm. B. 2 in. represents 6 in. C. 1 in. represents 6 ft. D. 2 cm represe
What is the theme of william Shakespeare's sonnet 116?
why was Britain the first country to industrialize????
please help me with this.
Research the coal strike of 1902. do you think roosevelt’s intervention was in favor of the strikers or of the mine operators? why?
Piaget's first period of learning is the __________ period. concrete formal preoperational sensorimotor SAVE AND EXIT
? Miguel is writing a research paper on the history of American music. In the process, he weighs the similarities between two different sources that each discus
Please help with (C) it is due soon, even just to help understand the passage.
Thinking about and listing one's options in the process of decision making include all of the following EXCEPT: