01-10-2021
Mathematics

contestada

Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

Respuesta :

JohnAnkrah JohnAnkrah

01-10-2021

Answer:

3x

Step-by-step explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

Answer Link

Otras preguntas

4/7x + 5/14x = 39 I need help with this in math class

An above ground swimming pool is cyndrical in shape. It has a diameter of 12 feet and is 7 feet deep. What is the volume of this pool?

The Declaration on Liberated Europe stated that

Which set(s) of points show x in DIRECT PROPORTION to y? A) {E, C, B} only B) {G, C, A} only C) {F, E, D} and {E, C, B} only D) {F, G, H} and {G, C, A} only

Phlebotomy cannot be performed by employees with the following illness: a. HIV b. Hepatitis C c. Chicken pox d. All of the above

A plastic ball of mass 0.200 kg moves with a velocity of 0.30 m/s. This plastic ball collides with a second plastic ball of mass 0.100 kg that is moving along t

A survey of top executives revealed that 35% of them regularly read time magazine, 20% read newsweek, and 40% read u.s. news & world report. a total of 10%

could anyone help 4(x-1) =2(6_2x)

Jane, looking for Tarzan, is running at top speed (4.9 m/s) and grabs a vine hanging 3.6 m vertically from a tall tree in the jungle. If air resistance is negle

According to the first rule, if a force pulls on one end of a rope, the tension in the rope equals the magnitude of the pulling force. What is the magnitude T1