sjha07254 sjha07254

16-02-2021
Mathematics

contestada

7. The mean of 7,9,x + 3, 12, 2x - 1 and 3 is 9. Find the value of x.

Relax

Respuesta :

ADVENTUROUSBOY ADVENTUROUSBOY

16-02-2021

Answer:

x = 7

Step-by-step explanation:

( 7 + 9 + (x+3) + 12 + ( 2x-3) + 3 ) ÷ 6 = 9

3x + 33 = 54

3x = 54 - 33

3x = 21

x = 7

plz follow me

Answer Link

Otras preguntas

how did english culture influence chaucer?

What can you infer about Lennie's childhood and family life in the book of mice and men?

Simplify the expression. Write the answer without using parentheses or negative exponents.((x^4 y^2)^5)/((x^2 y)^2)

How do bacteria that live deep below the ocean’s surface make food? a. by cellular respiration b. by chemosynthesis c. by photosynthesis d. They eat other organ

What is the slope-intercept form of 8x - y - 6 = 0? Can anyone explain how to make it step by step?

HELP PLEASE WITH 1 AND 2 1. Simplify the following expression 2.given the following equation solve for a. (Assume a,b and c are positive real numbers)

Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she works 5 days per week?

Which of the following pairs does NOT represent a correct relationship? (A) glucose; polysaccharide (B) starch; polysaccharide (C) starch; carbohydrate (D) gluc

Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she works 5 days per week?

$6300 is invested , part of it at 12%, and part at 6%. For a certain year, the total yield is 564.00. How much was invested at each rate?