annabelbanne annabelbanne

14-08-2020
Mathematics

contestada

Show that 7 + 10/y+2 = 9/y
simplifies to

Show that 7 10y2 9y simplifies to class=

Respuesta :

surjithayer10 surjithayer10

14-08-2020

Answer:

Step-by-step explanation:

[tex]7+ \frac{10}{y+2}=\frac{9}{y}\\or~7y(y+2)+10y=9(y+2)\\multiply~by~y(y+2)\\7y^2+14y+10y=9y+18\\7y^2+24y-9y-18=0\\7y^2+15y-18=0[/tex]

Answer Link

Otras preguntas

what is the place value of 5 x 70 = 5 x _ tens

Samantha has 45books.she can pack 7 books in box how many boxes can she completely fill how books will be let

Your friend has owned a dog for 9 years. This is one year less than twice as long as he has owned a cat. How long has your friend owned a cat?

What impact did German U-Boats have on allied shipping during WW1 ?

Which word in the sentence is the preposition? There is the book underneath your desk. a. is b. There c. underneath d. the

The question i just asked of whats the value of the underlined digit the number is 0.679 and the underlined digit is 6

what is 1.075 in two other forms

The United States was placed in control of (1)_____ Korea and the Soviet Union was placed in control of (2)_____. 1)East, North, South, or Central 2)North, Cent

a straight piece of wire is collided to form a spring physical or chemical change

if 120 percent is £360 what is 100%