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

6.) A hydraulic lift is used to raise a car. The piston has a surface area of 1 square meter. The pressure needed to lift the car is 20000 N per square meter. W

Match the vocabulary term to the correct definition. 1. Indian Intercourse Act changing of a court decision 2. reversal "a series of six statutes approved by Co

Trail A is 200 yards longer than Trail B. Trail C is 900 feet shorter than Trail B. If Trail A is 1 mile long, how many yards is Trail C? PLEASE HELP THIS IS DU

of the following which is the riskiest sexual behavior

Definition: This term refers to the number of people per unit area (usually a kilometer or a mile). This could refer to the number of people per square mile in

Is it true that when travelling at speed of light , time stops?

What is the second amendment? Why is it "a hot" topic today?

How many groups did Aristotle use to divide all of the organisms in the world A.1 B.2 C.3 D.4 Please help:,(

Roman packed 6 boxes of clothes for donation. Each box had 17 shirts and 12 pairs of pants. How many more shirts than pants did Roman pack?

Is 11.7 within a z-score of 3?