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

The temperature of a pot of water is 90.0 °C and the mass of the water is 112 g. A block with a mass of 21.0 g and a temperature of 20.0°C is dropped into the w

What requirements are necessary for a normal probability distribution to be a standard normal probability distribution?

Is a type of appeal that tries to make readers feel something.?

Which processes takes place in the cytoplasm of a cell?

A product is __________ that can be offered through a voluntary marketing exchange.

Let S={1,2,3,4,5,6}. How many subsets of cardinality 4 contain at least one odd number?

The simplest statement you can use to make a decision is the ____ statement. a. Boolean b. true false c. if d. this

Define Fitness as it relates to adaptation

A geology student finds a rock formation composed of sedimentary rock. Based on the principle of _______, the student concludes that the layers on the bottom ar

Examine the system of equations. 2x + y = 34 -3x + 1 2 y = 25 If you multiply the first equation by 2, what must you multiply the second equation by to elimi