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

HALP I GOT ONE WRONG EEEK
60 points write a short story look at image for more info
“When we seek to discover the best in others, we somehow bring out the best in ourselves” Explain what this quote means and why it matters.
Salt and sugar look similar explain why one is a mineral and one is not?
Write an exponential equation. The drug dosage is 500mg. The drug is eliminated at a rate of 5.2% per hour. D=the amount of drug in milligrams and t=time in hou
What happened to the West Roman Empire
What is the overall cell potential for this redox reaction? Cd + Hg22+ → Cd2+ + 2Hg Given: Cd2+ + 2e− → Cd(s) = –0.40 and Hg22+ + 2e− → 2Hg(l) = 0.79 –0.19 V
The cheese that Ms.Carter used to buy cost $6.00 per pound, but it has been marked up 15%. How much does it cost to buy 2.6 pounds of cheese at this new price?
PLEASE HELP BRAINLIEST AND 15 POINTS The equation 7x-10y=30 is written in standard form. What is the first step when writing an equivalent equation which solve
Look at the graph below. Which statement is TRUE based on the graph of an egg drop experiment? A.The egg is not accelerating. B.The speed of the egg is constan