edboi21 edboi21
  • 24-02-2016
  • Mathematics
contestada

Is 8 a solution to 1/2x+9=13? Explain

Respuesta :

yourfavvmelanie
yourfavvmelanie yourfavvmelanie
  • 24-02-2016
yes 8 is a solution. this is because when replacing 8 with x on a calculator you do 1/2x8+9 and it will give you an answer of 13
Answer Link
cactussky
cactussky cactussky
  • 24-02-2016
Yes, because there is exactly one value of x.
first, you can add -9 to both sides to cancel out the 9, which leaves you with the equation 1/2x = 4
then, simply divide both by 1/2 and you get 8.
Answer Link

Otras preguntas

Item 7 Which political change occurred in Louisiana during the 1930s? A The old Bourbon rulers lost power to Huey Long and his supporters. B The Democratic P
A mandatory competency test for high school sophomores has a normal distribution with a mean of 400 and a standard deviation of 100. the bottom 1.5% of students
Should Columbus be judged by today’s standards? Should we continue to celebrate Columbus Day?
How can you, or someone else, demonstrate self-reliance? Give two specific examples.
The new species will develop by way of what
can someone plz help 
Write each expression as a multiple power of 10
All of the following were raw materials that the southern economy relied on to trade with foreign nations EXCEPT: Cotton Rice Corn Indigo
Helppppp Jason was 1.75m tall last year. He grown 11 cm taller this year. How tall is Jason now?
Function Notation f(-4)=___