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

Many of the people who have come to Mexico City have ended up living in areas _____.

round 76340 to the nearest thousand

Explain why numbers with a 5 in the ones place are not prime numbers

Milwaukee is 121 mi (air miles) due west of Grand Rapids. Maria drives 255 mi in 4.75 h from Grand Rapids to Milwaukee around Lake Michigan. Find her average dr

Why are trees considered to be producers? A. they do not need food to survive in an ecosystem B. they depend on consumers to help them make their food C. they g

Why were scenes from celebrations and contests painted on palace walls? a. so visitors could understand the social customs of the wealthy b. To praise the royal

what is the equivalent to 7.4 kilograms

What was the prevailing economic challenge the United States faced at the start of World War II?

round 9,254 to the nearest hundred

Sue scored a total of 35 points in two games she scored 6 times as many points in the second game as in the first how many more points did she score in the seco