kimyongtits kimyongtits

13-04-2018
Mathematics

contestada

the middle number of 3 consecutive whole numbers is 2a.
prove that the sum of these three numbers cannot be 250.

Respuesta :

mkryukova19 mkryukova19

13-04-2018

first number --- (2a-1)
middle number ---- (2a)
third number -----(2a+1)
2a-1+2a+2a+1=250
6a=250
a=250/6= 125/3
2a=2*(125/3)= 250/3 ---- is not a whole number that is contradicts to what is given, so sum cannot be 250
so

Answer Link

Otras preguntas

____ was the last ruler of the yeju dynasty

Why is randomization important when setting up an experiment to answer this research question? A. B. C. D.

If I am writing to my congressman, this is considered my: A. thesis B. purpose C. audience D. task

Nicole is making 1,000 bows for people who donate to the library book sale. She needs a piece of ribbon that is o.75 meters long for each bow. How many meters o

Find the slope of the line on the graph. Write your answer as a fraction or a whole number, not a mixed number or decimal.

What effect did woman suffrage have on society

math pls help me?????????

How do the compositional differences between Earth and the Moon support the giant impact hypothesis? Consider the angle of impact as simulated on page 2.

i need help with this plz hurrrryyyyyy

What is the purpose of a political party’s platform? to persuade voters that the party cares about them to state the goals of the party and its position on issu