Genius1R Genius1R

22-05-2020
Mathematics

contestada

The average of 8 and x = 3. What is x?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

22-05-2020

Answer:

x= -2

Step-by-step explanation:

The average of 8 and x

(8+x)/2

is 3

(8+x)/2 = 3

Multiply each side by 2

(8+x)/2 *2 = 3*2

8+x = 6

Subtract 8 from each side

8+x-8 = 6-8

x = -2

Answer Link

Otras preguntas

A dynamic stretch is safe, because it involves gradual and controlled movements safe, because it extends the joint beyond its range of motion unsafe, be

luis bought stock at $83.60. the next day, the price increased $15.35. this new price changed -4 3/4% the following day. what was the final stock price?? is you

What did the battle of El Alamine reveal about hitler

explain how you can use rounding or compatible numbers to see if your answer is reasonable.

A dynamic stretch is safe, because it involves gradual and controlled movements safe, because it extends the joint beyond its range of motion unsafe, be

The problem that had no name centered upon: (Points : 1) the Cold War. the housewife. the African American. the veteran.

What does v. P=mv mean can someone help

given V=4/3(pi)r^(3) and S=4(pi)r^(2) for a sphere, and the fact that the radius of the sphere is decreasing at 1/2 inches per minute, find the rate at which th

Nine families went on a picnic. Each family had carried a cake for the picnic. 2/3 of each cake was eaten. Find out how much cake was eaten in all.?

Information in segments of human DNA can be expressed by a bacterial cell as a result of (1) sexual reproduction (3) genetic variability (2) random mutation (4)