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 ( 82+ )
Otras preguntas
Find the variance for the given data. Round your answer to one more decimal place than the original data. -12 6 -3 6
Simplify $(3p^3 - 5p + 6) + (4 - 6p^2 + 2p)$. Express your answer in the form $Ap^3 + Bp^2 + Cp +D$, where $A$, $B$, $C$, and $D$ are numbers (possibly negative
NO LINKS!! URGENT HELP PLEASE!!! Problem 1 Picture #1 (left): Arc CDE = < CAB = Problem 2 Picture #2(right): Arc DCB= Arc EBC=
Given the geometric sequence where a1 = -7 and the common ratio is 2, what is the domain for n? Group of answer choices All Integers where n ≥ 0 All Integers w
. A potential difference of 12 V across a resistor produces a current of 16 mA. (a) What is the value of the resistor? (b) Assuming the resistor is ohmic, find
During a clearance sale at a department store, all items were sold at 70% off the regular price. Michelle had a discount coupon that would get her an additional
If Julian walks from his house to his school at a speed of 3 miles per hour he will be five minutes late for class. If he cycles to school at a speed of 10 mile
I = 100 12J 5T 7S 5H where I is his income, J is the number of jeans he sells, T is the number of T-shirts he sells, S is the number of shorts he sells, H is th
the value of ¾ of 12 isa) 16. b) 1. c) 9. d) 1/16with step by step explanation because I am getting two answers 16 and 9
explain why human language is more complex and sophisticated form of communication
