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Gemiola [76]
3 years ago
6

What is the domain of the function v=−6r2 if the range is v≤0?

Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

Answer:

Download an app called Socratic it helps with anything

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(2a-4a2+8)+(5a2 -5a+6)
lana [24]
A^2-3a+14 is the answer :)
8 0
2 years ago
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9.4.15
Brilliant_brown [7]

Answer:

250

Step-by-step explanation:

mulitply 28.95 by 4 to get that out of the way, this equals 115.

subtract: 200-115=85

divide: 85/.34

answer:250

3 0
3 years ago
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To attend the class field trip, 24 students brought their permission slips.
mario62 [17]

Answer:

There are 30 students in the class

Step-by-step explanation:

we can write a ratio as:

8:10 as 24:x

Writing this as an equation gives:

8

10

=

24

x

We can now solve for

x

while keeping the equation balanced:

10

x

×

8

10

=

10

x

×

24

x

10

x

×

8

10

=

10

x

×

24

x

x

×

8

=

10

×

24

8

x

=

240

8

x

8

=

240

8

8

x

8

=

30

x = 30

7 0
2 years ago
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En un examen de admisión de 120 preguntas, cada respuesta correcta vale 2 puntos y por cada incorrecta se quita medio punto. Un
padilas [110]

Answer:

Respondió mal 64 preguntas.

Step-by-step explanation:

De acuerdo a la información proporcionada puedes plantear las siguientes ecuaciones:

x+y=120 (1)

2x-0,5y=80 (2)

x es el número de preguntas correctas

y es el numero de preguntas incorrectas

Primero debes despejar "x" en (1):

x=120-y (3)

Después, debes reemplazar (3) en (2):

2(120-y)-0,5y=80

240-2y-0,5y=80

240-80=2,5y

160=2,5y

y=160/2,5

y=64

Ahora puedes reemplazar el valor de "y" en (3) para encontrar el valor de "x":

x=120-y

x=120-64

x=56

De acuerdo a esto, la respuesta es que el postulante respondió mal 64 preguntas.

6 0
3 years ago
How do you do this help please
lys-0071 [83]
They are both straight lines
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3 years ago
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