Seudónimo Seudónimo

31-08-2021
Mathematics

contestada

If Σfx = 60+45a and Σf = 12+9a , find the mean.

Respuesta :

bistarachana59 bistarachana59

31-08-2021

Step-by-step explanation:

Σfx = 60+45a

Σf = 12+9a

Now

Mean =Σfx/Σf

= 60+45a/12+9a

=105/21 (a has been canceled)

=5

Therefore mean =5

Answer Link

Otras preguntas

What is an example of a metaphor in Mrs. Frisby and the Rats of NIMH?

the value of x in the equation log(x-1)9=2 is

Imagine you have to write a speech about the steps people need to take after a hurricane hits. Which organizational pattern would be most effective for your spe

Find the percent of change. Round to nearest tenth, if necessary. 62 is decreased to 52. 28 is increased to 96. 72 is decreased to 45. 55 is increased to 90. 23

A _______ is a repeating disturbance or vibration that transfers or moves energy from place to place without transporting mass. force wave vacuum medium PLZ hel

show two ways four people can share a chewy fruit worm how many segments does each person get

the student to faculty ratio at a small college is 17:3. the total of students and faculty is 740. how many faculty members are there at the college? how many s

Fred buys a video game disk for $4. There was a discount of 20%.What is the sales price

A _______ is a repeating disturbance or vibration that transfers or moves energy from place to place without transporting mass. force wave vacuum medium PLZ hel

What events are most likely to occur along a transform boundary? A. deep-sea trenches B. rugged mountain ranges C. earthquakes D. hot spots This is Science!