lena4042
lena4042
02-11-2019
Mathematics
contestada
twice the difference of a number and 9 is 7
Respuesta :
Jessicaalvarez2006
Jessicaalvarez2006
02-11-2019
(x-9)^2=7
“twice the difference of a number” would mean x-9 twice equals 7
Answer Link
ujalakhan18
ujalakhan18
02-11-2019
Answer:
x=12.5
Step-by-step explanation:
Let the number be x
2(x-9)=7
2x-18=7
2x=7+18
2x=25
x=25/2
x=12.5
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
65% of the 8th grade class is selling magazines for the class fundraiser. If 112 students are selling magazines, how many students are in the 8th grade class?
What were the top three states where the early german immigrants stayed/lived?
How does Bud check the security of his treasures?
_____________ resigned and the Soviet Union ceased to exist on Christmas Day in 1991. Josef Stalin Boris Yeltsin Leonid Brezhnev Mikhail Gorbachev
The desire to take over lands for one's own country is calledA.imperialism. b.patriotism. c.militarism. d.nationalism.
Read the excerpt from Poe’s "The Fall of the House of Usher." It was, perhaps, the narrow limits to which he thus confined himself upon the guitar, which gave b
Help this homework is due by tomorrow
The ____ was an improvised section of a concerto that showed off the soloist's abilities.
Aggressive behavior used as a means of achieving a goal is known as _____ aggression instrumental hostile indirect
You are called to care for a child who has fallen out of a third-story window. you arrive to find the child in his mother's arms. as you approach, you notice th
