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:

1

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

How many 2/3 are in 4

At least three types of rna are required for protein synthesis. Compare and contrast mrna

You are writing an informative essay on your favorite subject in school. Which sentence would make the BEST concluding statement in your essay? A) Everyone shou

the functions formulaa

to find the percent of the tiles in HI! that are in the H, first find either a fraction or a decimal written hundredths, since percent is a number out of 100. T

At time t is greater than or equal to zero, a cube has volume V(t) and edges of length x(t). If the volume of the cube decreases at a rate proportional to its s

In what country were the Vietcong guerrilla fighters based? A the Soviet Union B China C South Vietnam D North Vietnam

Which two countries were on the side of the United States in World War I but were enemies of the United States in World War II? A) Italy and Japan B) Russia a

What number is 1/100 of the value of 2.6

Find the value of c that will make 9x2 + 30x + ca perfect square trinomial.