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

Consider the following two questions designed to assess quantitative literacy: a. What is 15% of 1000? b. A store is offering a 1596 off sale on all TVs. The mo

ASAP 25 POINTS NEED TO KNOW NOW PLEASE Variable x is 7 more than variable y Variable x is also 1 less than y. Which of the following pairs of equations best mod

Mumbai Indiaans characters

Please help ill rate 5 stars and give brainlyest

i dont get it plz help

there are three oranges in 200g of bag . if the weight of them with bag is 1.4kg. find the weight of an orange.i want full methods

To study the fate of carbon during glycolysis under aerobic conditions, cultured cells are fed with 14C-glucose labeled in various positions. You use a radiolab

Stickleback fish are collected from a lake in Alaska. 600 from the sample are spineless, which is a recessive trait in the fish. 80 of the fish collected have s

first second and last term of Ap are a,b,2a respectively, find its sum

Historians and contemporaries called the 1920s the "New Era" because Group of answer choices America emerged from its isolationist stance in foreign affairs the