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

Identify H2 and describe its properties

What is the closest relative of canis lupus?

A grocery store gives away a $10 gift card to every 25th customer and a $20 gift card to every 60th customer. Which customer will be the first to receive both

If a robin builds a nest in a big tree, the robin benefits and the tree is not helped or harmed. This type of symbiotic relationship is called commensalism, and

What is a postmodernist work more likely to have than a modernist work? a. a consistent rhyme scheme with repeating syllables b. a more playful attitude c. an e

put these in order size, the smallest first 0.9, 75%, 4/5

What animals may be found in each zone?—be specific on listing them •Upper •Middle •Lower

What is the different between child growth and child development?

Find the greatest number you can add to 4315 without having to regroup how did you find the number

when im dividing exponents do i multiply the bases? example: 6p to the 4th power ➗ 4p to the third power ? would i multiply 6 and 4?