lizzythomas310 lizzythomas310

07-12-2017
Mathematics

contestada

The product of two integers is 72.one number is two less than 5 times the other

Respuesta :

lesliekolleroxrkcf lesliekolleroxrkcf

07-12-2017

x*y=72
x = 5y-2

x=72/y
72/y=5y-2

72=5y^2-2y
5y^2 -2y - 72 = 0
(5y+18)(y-4)=0
y = -18/5 discard
or y = 4
4x=72
x=18

(18,4)

Answer Link

CaveScriptjavaisgone CaveScriptjavaisgone

29-03-2021

x*y=72

x = 5y-2

x=72/y

72/y=5y-2

72=5y^2-2y

5y^2 -2y - 72 = 0

(5y+18)(y-4)=0

y = -18/5 discard

or y = 4

4x=72

x=18

(18,4)

Answer Link

Otras preguntas

how can underground caverns turn into lakes?

Solve 5(g-2)+g = 6(g-4)

imagine that the number 2 button on your calculator is damaged and cannot be used.use a flow chart to show 3 different ways in which you can calculate 24x12

what is the value of any fraction with 0 in the denominator

What goes into 24 and 2,500

Show how you get 1,910 ml equals how many liters

78 divided by 190 steps

What do megaliths imply about the Northern European Civilizations that built them?

The addition of a catalyst in a chemical reaction (A) increases the concentration of products at equilibrium. (B) increases the fraction of reactant molecul

food couldn't reach the stomach without the esophagus and the