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

What is the profit percentage if the selling price is Rs 3000 and the cost price is RS 2000? * 5% 15% 50% 100%
Help me with number 4
What is the average of 1.99 2.99 3.99 3.89
A ball of moist clay falls 17.3 m to the ground. It is in contact with the ground for 24.0 ms before stopping. (a) What is the average acceleration of
the question can been seen in the picture
I don’t know what to do here someone please help
PLS HELP! 10 POINTD ILL MARK BRAINLIEST
Which citation should a student use when quoting the committee's inaccurate conclusions? There were, prior to December 7, 1941, Japanese spies on the island of
what is v+(-16)=-15​
On behalf of which country did Christopher Columbus make the first of his four voyages in 1492