ms6932
ms6932
02-03-2018
Mathematics
contestada
negative 1 over 2x + 2 = −x + 7
Respuesta :
sqdancefan
sqdancefan
03-03-2018
Multiply by the denominator and solve the resulting quadratic.
.. -1/(2x +2) = -x +7
.. -1 = (2x +2)(-x +7)
.. 2x^2 -12x -15 = 0
And from the quadratic formula
.. x = (12 ±√((-12)^2 -4(2)(-15)))/(2(2))
.. x = 3 ±√16.5
x ≈ -1.062019 or 7.062019
Answer Link
VER TODAS LAS RESPUESTAS ( 85+ )
Otras preguntas
what is radioactivity
The sentence , two less than the product of two and a number is greater than 5 times the opposite of the number, translates to which mathematical statement
The U.S. National research Council recommends that adults eat 0.8 g of protein daily per kilogram of body weight. What is the minimum number of grams of protei
A sequence starts: 1, 4, 9, 16 ... The nth term is n^2 Use this fact to find the nth term of the following sequences: a)2, 5, 10, 17 ... b)2, 8, 18, 32 ...
Brianna drove home from college traveling an average speed of 62.4 mph and drove back to the college the following week at an average speed of 57.4 mph. If the
Pamela has $51.00 and Lisa has $5.00. How much more does Pamela have than Lisa
in a response of two to three sentnces explain how these lines contribute to beowulfs characterizatio: To all earlmen after evenlights glimmer neats heavens bri
When an oligopoly exists, how many producers dominate the market? none one a few many
A person stands 6.00 m from a speaker, and 8.00 m from an identical speaker. What is the wavelength of the first (n=1) interference maximum (destructive)
Tell meWhat is x/7=13
