ellierenee5067 ellierenee5067
  • 02-02-2015
  • Mathematics
contestada

the sum of three consecutive odd numbers is 81. what is the smallest of the three number?

Respuesta :

anjalee
anjalee anjalee
  • 02-02-2015
81=x+x+1+x+2 given
81=3x+3 combine like terms
-3-3 subtraction property of equality
78=3x
/3/3 division property of equality
26=x symmetry property 
x=26
x+1=27
x+1=28/
26,27,28
26+27+28=81
so,26.27.and 8
Answer Link

Otras preguntas

How many 3-digit numbers exist, whose digits are distinct even numbers.
y = 2 is a polynomial function. True or false
round 5.1961 to the nearest tenth
Take Test: Lab 3: Saving for Retirement Quiz Suppose Betty saves $200 each month in her 401(k) account. How much less will her monthly take-home pay be? (Ass
Use substition to find the solution to the system of equations.
En un mundo perfecto, yo ______ a las nueve todos los días. A. cantarìa B. me levantaría C. me acostaré D. no estudiaría
5x+15=45 Solve for x..
At the beginning of a year, a company predicts total direct materials costs of $1,020,000 and total overhead costs of $1,220,000. If the company uses direct mat
select the correct sentence: Nous faisons de la gymnastique. ll fait le roller. tu fais du l'athétisme. Elle fait au rugby.​
Which point is closest to the x-axis?(4.8)(2, 11)(8.7)(3. 13)​