luejialicia1
luejialicia1 luejialicia1
  • 02-03-2015
  • Mathematics
contestada

Three terms , 19-6x , 2 + 4x , 6x + 1, are in arithmetic progression .

a) Calculate the value of x .

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 02-03-2015
so therfor from 19-6x to 2+4x the diffence if the same as the diffence between 2+4x an d6x+1


so (2+4x)-(19-6x)=(6x+1)-(2+4x)
add like terms
2+4x-19+6x=6x+1-2-4x
10x-17=2x-1
add 17 to both sdies
10x-2x+16
subtract 2x form both sdies
8x=16
divide boht sdie syb 8
x=2

x=2
therfor the terms are
7, 10, 13
Answer Link

Otras preguntas

two diseases that affect the kidney??​
When solid ice at 0 Celsius melts and becomes liquid water, there is no change in temperature while melting. A. true B. false
characteristics of living things​
Find the measure of x. 8.3 340 х x = [?] Round to the nearest tenth.
Should Albus Severus Potter have been in Slytherin? Or Hufflepuff? Ravenclaw? Gryffindor? What house was all the Potter children do you think should have been i
Pls help a little exercise on thales. Using the letters in the diagram, write down the similar triangles of the figures. Give a reason for your answer. (b) Fin
PLEASE HELP WILL GIVE BRAINLIEST AND 5.0 STAR RATING
What's a common reason for divorce?
What kind of cable would you use to connect endpoint devices and infrastructure devices in a local area network? Why is the choice of cable important?
what do you say to those people who go to foreign countries and forget their motherland?