heyitsjassie
heyitsjassie
10-06-2017
Mathematics
contestada
Please help for 18 n 19
Respuesta :
Banabanana
Banabanana
10-06-2017
[tex]18. \ \ \frac{-1}{x-9}- \frac{-2}{x+7}= \frac{-1(x+7)+2(x-9)}{(x-9)(x+7)}= \frac{-x-7+2x-18}{(x-9)(x+7)}= \frac{x-25}{(x-9)(x+7)}[/tex]
[tex] \frac{2}{x}+ \frac{12}{x}=7 \\ \\ \frac{14}{x} =7 \\ \\ x= \frac{14}{7} \\ \\ x=2 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
Use the data set below to find each of the following. 6, 13, 14, 18, 19, 29, 35, 44, 53, 55, 71, 84, 93 Minimum: _____ First quartile: _____ Median: _____ Third
What are wind names according to direction
A photo lab technician has a rectangular display ad that is 8 cm by 10 cm. The ad needs to be enlarged so the longer side is 18 cm. What will the length of the
Need help please I only have a little bit of time
For a certain spinner, if we expect to win a prize four times in sixty tries, what is the theoretical probability of winning a prize? A) 1/30 B) 1/20 C) 1/15 D)
help me with this question
Using the table, which country would have the most unlimited government? A) Brunei B) Cambodia C) Indonesia D) Vietnam
Please I need help with these 3 questions with explanation. See attached below. Please help!
I'm stuck with this question...pls help me
Help me and get 10 point
