pemapawanlala pemapawanlala
  • 01-09-2020
  • Mathematics
contestada

16. The difference of two numbers is 3 and the
difference of their square is 69. Find the
numbers.​

Respuesta :

chikafujiwara
chikafujiwara chikafujiwara
  • 01-09-2020

Make a system of equations.

[tex]x-y=3[/tex]

[tex]x^2-y^2=69[/tex]

[tex]x=y+3[/tex]

[tex](y^2+6y+9)-y^2=69[/tex]

[tex]6y+9=69[/tex]

[tex]6y=60[/tex]

[tex]y=10[/tex]

[tex]x=10+3[/tex]

[tex]x=13[/tex]

[tex]x=13,y=10[/tex]

Hope this helps.

頑張って!

Answer Link

Otras preguntas

The functions of fat in the body include
ANSWER ASAP set up the following subtraction in a vertical format and select the correct answer. Take -4 + 3a^2 from 7a - a ^2 A) -4a^2 - 7a - 4 B) -4a^2 - 7a
Where to put the comma for Modern instruments are made to meet specific standards
Can I get some help on this please
The coordinate plane below represents a community. Points A through F are houses in the community. graph of coordinate plane. Point A is at negative 5, 5. Poin
Briefly describe signal detection theory, and explain what influences our detection of stimuli.
Of which tissue is the dermis composed of?
Find the length s of the arc of a circle of radius 42 inches42 inches subtended by the central angle one seventh radian 1 7 radian.
Apply the distributive property and the greatest common factor to write an equivalent expression. 32k+24=[ ]( ) the empty brackets and parenthesis are blan
WILL MARK BRAINLIEST TO WHOMEVER IS RIGHT!!!!!! HELP MEEEE UGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!