matthew662230 matthew662230

14-03-2021
Mathematics

contestada

Find two integers whose sum is 20 and product is 99

Respuesta :

7naee7naee 7naee7naee

14-03-2021

Answer:

11 and 9

Step-by-step explanation:

X+Y=20

X*Y=99

Y=20-X

X*(20-X)=99

20X-X^2=99

20X-X^2–99=0

-(X - 11) (X - 9) = 0

Two solutions

X-11=0, X=11

X-9=0, X=9

Y=20-X, so if X is 9, Y is 11

Y=20-X, so if X is 11, Y is 9

The two numbers are 11 and 9

Answer Link

Otras preguntas

____ is the science that deals with the description, distribution, and interaction of the diverse physical, biological, and cultural features of Earth's surface

Brainly which commander in chief helped lift the united states during the great depression years? herbert hoover franklin roosevelt thomas jefferson j edgar hoo

Your neighbor has accidentally swallowed some pesticide. he is conscious and alert. what should you do?

what is the side length of a square with area 16 cm

HELP PLEASE AND ANSWER WITH STEPS thank you so much

for the diagram below which equation is the correct use of the distance formulathe last one D is D= √(11-6)^2 + (5-y2)^2

What is the mortality rate of sickle cell anemia in the africa?

Which of these scenarios depicts unethical workplace practice by an employee? A. monitoring employee movement during working hours B. monitoring use of workplac

Based on the lesson and on this quote what was lincoln's hope for future

ΔXYZ was reflected to form ΔLMN. Which statements are true regarding the diagram? Check all that apply. ΔXYZ ≅ ΔLMN ∠Y ≅ ∠M ∠X ≅ ∠L ∠Z ≅ ∠L YZ ≅ ML XZ ≅ LN