solutions and proofs

solutions and proofs

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    Find center and radius by 2 different methods
    11:33

    Find center and radius by 2 different methods

     31  views
    Proof of the parabola with vertex at the origin, and focus on the y-axis
    3:44

    Proof of the parabola with vertex at the origin, and focus on the y-axis

     30  views
    math question for the entrance exam
    6:54

    math question for the entrance exam

     9  views
    Math question for the entrance exam, Volume
    5:48

    Math question for the entrance exam, Volume

     21  views
    math question for the entrance exam
    3:33

    math question for the entrance exam

     26  views 1 comment
    math question for the entrance exam
    8:14

    math question for the entrance exam

     21  views 1 comment
    question about similar triangles
    4:11

    question about similar triangles

     24  views
    Math entrance exam question on absolute values
    1:50

    Math entrance exam question on absolute values

     15  views
    Chemistry entrance exam question
    2:23

    Chemistry entrance exam question

     12  views
    Math entrance exam question about similar triangles
    4:09

    Math entrance exam question about similar triangles

     22  views
    math question for the entrance exam
    1:20

    math question for the entrance exam

     23  views
    Express the volume of a box in terms of x, and find out what value x takes to maximize V
    27:26

    Express the volume of a box in terms of x, and find out what value x takes to maximize V

     18  views
    pregunta de matematicas examen de admision
    6:54

    pregunta de matematicas examen de admision

     17  views
    pregunta de matematicas sobre rectas
    5:18

    pregunta de matematicas sobre rectas

     17  views
    pregunta matematicas examen de admision
    1:25

    pregunta matematicas examen de admision

     32  views
    pregunta matematicas examen de admision
    1:03

    pregunta matematicas examen de admision

     35  views
    pregunta de matematicas examen de admision
    10:54

    pregunta de matematicas examen de admision

     29  views
    pregunta de quimica examen de admision
    6:05

    pregunta de quimica examen de admision

     30  views
    pregunta de matematicas examen de admision
    6:11

    pregunta de matematicas examen de admision

     30  views
    resolver mate en 3, nivel el más difícil
    3:47

    resolver mate en 3, nivel el más difícil

     18  views
    Jupiter Pro camera images, 4080 x 3060, ISO 100, Celestron 80mm d, 900 fd reflector telescope
    6:35

    Jupiter Pro camera images, 4080 x 3060, ISO 100, Celestron 80mm d, 900 fd reflector telescope

     20  views
    2 triangles are similar if 2 sides are proportional and the angle they form are congruent.
    18:13

    2 triangles are similar if 2 sides are proportional and the angle they form are congruent.

     32  views
    In case 2 triangles are similar if they have 2 congruent corresponding angles
    15:06

    In case 2 triangles are similar if they have 2 congruent corresponding angles

     12  views 2 comments
    Theorem on the existence of similar triangles
    31:02

    Theorem on the existence of similar triangles

     25  views 1 comment
    Proof of the Pythagorean Theorem using similarity of triangles
    9:57

    Proof of the Pythagorean Theorem using similarity of triangles

     11  views 1 comment
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