14trixie 14trixie

03-10-2021
Mathematics

contestada

hi please i need the complete step-by-step solution for number 5. thank you ♥️

hi please i need the complete stepbystep solution for number 5 thank you class=

Respuesta :

cwrw238 cwrw238

03-10-2021

Answer:

m = 8.

Step-by-step explanation:

Arithmetic mean 18 = (12 + 3m)/2

Cross multiply:

12 + 3m = 36

3m = 36 - 12 = 24

m = 24/3 = 8.

Check this answer:

(3(8) + 12)/2

= (24 + 12)/2

= 36/2

= 18.

Answer Link

Otras preguntas

Which layer of soil often contains litter?

Which type of election is not accurately described? A) In a primary election, candidates are nominated for office. B) In a general election, national or s

how many times 1/4 goes into 2 2/4

The pH level of tomato juice is 4.2. What is the hydrogen-ion concentration [H+]| for tomato juice?

Is the water in the U.S the same in Europe

which of the following best describes dr. martin luther kings strategy of protesting? A. nonviolent civil disobeience B. refusing to work until reforms were mad

Disorders of the skin include all of the following except A. acne. B. osteoporosis. C. psoriasis. D. carcinomas.

explain three ways in which human trafficking can affect the victims self esteem

what does having courage mean

6. Some scholars believe that people from Asia arrived in the Americas about 15,000 years ago. According to this theory, what was the reason these people came?