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WINSTONCH [101]
3 years ago
13

Identify the turning point of the function f(x)= x^2 -2x + 8 by writing its equation in vertex form . show work

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
7 0
The turning point of a parabola is its vertex.

f(x)=x^2-2x+8\\
f(x)=x^2-2x+1+7\\
f(x)=(x-1)^2+7
The vertex is (1,7)
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HELP Help Please
Alexandra [31]

Answer:

l × b is the correct answer for this question

6 0
3 years ago
un rectangulo tiene 28 cm de perimetro y unos de sus lados mide 4 cm ¿cuantos cuadrados de 2 cm por lado se mecesitan para armar
seraphim [82]

Answer:

10 cuadrados

Step-by-step explanation:

Si uno de los lados de rectangulo es de 4cm entonces el lado parallelo tambien es de 4cm. Eso nos da 8cm del perimetro y nos quedan los otros dos lados que tienen la misma medida. Entonces dividimos el resto del perimetro por 2.

28 - 8 = 20cm

20cm / 2cm = 10cm

Ahora que tenemos todas las medidas podemos multiplicar el largo por el ancho para calcular el area del rectangulo

10cm * 4cm = 40cm^{2}

el cuadrado de 2cm tendra un area de

2cm * 2cm = 4cm^{2}

Ahora simplemente dividimos el area del rectangulo por el area del cuadrado para saber cuantos cuadrados necesitamos para armar ese rectangulo

40cm^{2} / 4cm^{2} = 10 cuadrados

3 0
3 years ago
Tickets to the school musical are $5.00 for adults and $3.50 for students. If the total value of the tickets sold was $2517.50 a
stealth61 [152]
To answer this, you will write and equation in terms of the number of adult tickets sold and then solve for a, the number of adult tickets.

$5a + $3.50s = $2517.50
$5a + $3.50(a + 100) = $2517.50
5a + 3.50a + 350 = 2517.50
         8.50a  -350      -350
                  <u>8.5a</u>  = <u>2167.50</u>
                  8.5         8.5
    a = 255
The number of adult tickets sold was 255, and the number of student tickets sold was 355 (255 +100).


7 0
4 years ago
Anybody have the answer?
Mariulka [41]
80 inches squared, I would assume based off of the other one.
6 0
3 years ago
Read 2 more answers
HELP PLEASE ASAP!! I need this turned in by 11:59 pm please!!! IM BEGGING!!
hjlf

Answer:

Angle T= 36 degrees

Angle V= 54 degress

Step-by-step explanation:

okay so you know that this is a right angle and that all angles in a triangle add up to 180 degress

using that info,

you can say

2x+3x+90= 180

5x+90=180

5x= 180-90

5x= 90

x= 18

measure of angle T= 2x

2(18)= 36 degrees

measure of angle V= 3x

3(18)= 54 degrees

I hope this helps <3

8 0
3 years ago
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