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

This gas law works only if temperature is recorded in ———— units
Your parents ask you to choose between two offers for an allowance. The first offer is to receive one penny on the first day, 2 penny’s on the second day, 4 pen
Which number is a factor of 16, but not a multiple of 8?
Based on the Mohs Hardness Scale, which mineral could be scratched by a penny but not by a fingernail?       A. Calcite  B. Talc  C. Gypsum  D. Fluorite​
Solve this question t ÷ 0.1 = -18t=​
Which does NOT accurately describe President Abraham Lincoln's beliefs about Reconstruction at the end of the Civil War? A. The whole country needed to rebuild
Find the surface area of the solid. Round your answer to the nearest tenth. Explain your answer. please help due tomorrow.. ​
The most primitive true animal belongs to the phylum ____.
When you eat you don’t feel that you have overeaten. But after some time you feel it. Give a scientific reason
Help me find the lateral and the surface area I have to round to the nearest tenths if necessary