Answer:
4x2–12x+33=0
Resta 4x
2
en los dos lados. Cualquier valor restado de cero da como resultado su valor negativo.
−12x+33=−4x
2
Resta 33 en los dos lados.
−12x=−4x
2
−33
Divide los dos lados por −12.
−12
−12x
=
−12
−4x
2
−33
Al dividir por −12, se deshace la multiplicación por −12.
x=
−12
−4x
2
−33
Divide −4x
2
−33 por −12.
x=
3
x
2
+
4
11
Resolver para x_2
x
2
=3x−
4
33
Step-by-step explanation:
Answer:
9 meter.
Step-by-step explanation: 4 1/2 meters is too short, he would have to buy 2 lengths. 4 1/2 meters is 450 cm while 9 meters is 900 cm, if he gets the 900 cm length he can just cut off the excess to use later.
I believe the answer is 2. A cone.
HOW IS THIS MIDDLE SCHOOL ALGEBRA 1!??? I'm a senior in highschool and i have NEVER seen smthg THIS difficult for a middle schooler...