asghartab6
asghartab6
13-11-2020
Mathematics
contestada
2) If x+y=6 and xy=5 find x-y?
Respuesta :
mhanifa
mhanifa
13-11-2020
Answer:
x - y = ± 4
Step-by-step explanation:
Given
x + y = 6 and xy = 5
To find
x - y
Solution
(x - y)² = (x + y)² - 4xy = 6² - 4*5 = 36 - 20 = 16 = 4²
(x - y)² = 4²
x - y = ± 4
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
Find the sum using the number line.
I got 6 questions plz help PLEASE HELP ASAP I DONT UNDERSTAND 1. What are the three undefined terms in geomentry 2. provide an example of a defined term and
Why was Ulrich not able to shoot at his enemy? "The Interlopers"
A what is the set of points on one side of a point (and does not contain the endpoint)
What was the name applied to the elite infantry of the persian army?
What college or university did mary anderson go to?
Please help me out with these problems
How is Hoyt’s model of land use similar to both the von thunen model and burgess model ?
a jogger runs with a speed of 3.25m/s in a direction 30.0 degrees above the x axis. (a) find the x and y components in the jogger’s velocity. (b) how will the v
(23+ )+19=23+(+19) Can any number complete the number sentence?
