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 ( 74+ )
Otras preguntas
What caused the rise of military government in Japan?
A pizza with 2 toppings from Maria's Pizza Place costs $11.00.A pizza with 5 toppings from Maria's Pizza Place costs $14.75.Each topping at Maria's Pizza Place
Most autotrophs make “food” through the process of a. photosynthesis. b. homeostasis c. chemosynthesis d. cellular respiration
A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t
Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells
The sales tax rate is 8%. Estimate the tax on a jacket that costs $69.95.
What is the average of 30, 40, and 80?
the rectangles on a quilt are 2in. wide and 3in. long the perimeter of each rectangle is made by pattern of ref thread. if there are 30 rectangles in the quilt,
Can someone explain lesson 6.3 math boxes in everyday math regarding the missing numbers on the number lines
The sales tax rate is 8%. Estimate the tax on a jacket that costs $69.95.
