trinityxzamorap0hvn0
trinityxzamorap0hvn0
12-12-2017
Mathematics
contestada
please help..........
Respuesta :
matthewe1903
matthewe1903
13-12-2017
1.
x^2-14x+45=0
(14/2)^2 =49
x^2-14x+49 +45=49
-45 -45
x^2-14x+49=4
(x-7)^2=4 square both sides
x-7=2 add 7 to both sides
x=9
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
when conducting an experiment which is the best way to record data
WILL GIVE FIRST ANSWER BRAINLIEST Use the substitution method to solve the system of equations. 3x + 7y = 1 y = x – 7 A. (3, –4) B. (4, –3) C. (2, –5
Can some one please help me with # 21
A pronoun takes the place of a ________ in a sentence. adjective. noun. or verb.
The cost of a lamp has increased by 30% to ?65. Work out the original price
Without using a calculator, determine between which two consecutive integers the square root lies _/29
when and where was the first best medical system of perspective in painting developed
x÷4+9=12 plzzzzzzzzzzzzzzz help step by step
Each year Americans eat 152 pounds of refined sugar per person this is 24 pounds more than in 1970
In an experiment, what is the factor that is tested? control specimen hypothesis variable
