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 ( 26+ )
Otras preguntas
If k= am + 3mx, Express the value of m in terms of a, k and x?
A gumball machine has 78 gumballs. each person who puts a coin into the machine gets 3 gumballs. after a certain number of people get gumballs, there are 54 gum
HELP! ANSWER THE QUESTION IN THE PICTURE BELOW. THANK YOU!!!!!!!!
Which of the following are advantages of the SI system? (Select all that apply). A) It is easy to change from one unit to another. B) It allows scientists to co
The minimum price that most consumers would pay for a given product is known as the ________ price.
In any balanced chemical equation, the number of each type of atom on both sides of the equation is ________.
Esta película NO se trata ________ A. de crimen. B. de amor. C. de arte.
A package of 10 cans of soup costs $14. An individual can costs $2. You need at least 25 cans. Find the price of each combination of items.You decide to buy 3 p
The neurons that carry messages from the central nervous system to the muscles of the body are the
If you rotate a right triangle, what feature of the triangle changes?
