mariaiuga41 mariaiuga41

01-10-2017
Mathematics

contestada

suma a doua numere este 500 iar diferenta lor este 100. aflati numerele

Respuesta :

Wings0s Wings0s

01-10-2017

Notăm cu a,b numerele
a+b=500
a-b=100⇒a=100+b
100+b+b=500
100+2b=500
2b=400
b=200
a=200+100⇒a=300
Numerele sunt 200 şi 300

Answer Link

Otras preguntas

Whats the first step to slove 15x + 7 =3x

Mr. Rowdy has 16 homework papers and 14 exit tickets to retune. Miss Rivera has 64 homework papers and 60 exit tickets to return for each teacher write a radio

What is the x-intercept of the equation 2x−y=16

What is the difference between 5 and -5

There are two kinds of fermentation. What results from alcoholic fermentation?

1.What was the significance of the arrival of the Jews during the Trustee period? Your answer: O They had a doctor with them and arrived just in time to save th

Select the correct answer. A competitive conflict style reduces the level of threat felt by those involved. A. True B. False

A recipe requires 2\tfrac{3}{4}2 4 3 cups of milk for every \frac{1}{3} 3 1 of a cup of flour. What is the ratio of cups of milk to one cup of flour? On the

G Determine the signs of the quotients. The quotient of -125 and 5 is The quotient of -264 and -12 is The quotient of O and –350 is The quotient of 276 and -8 i

Given sin(30 degrees) =1/2 and cos (30 degrees) = square root of 3/2 use trigonometry identities to find the value of cot(30 degrees) 1/2 Square root of 3/3 Sq