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shtirl [24]
3 years ago
14

Is this a proportional relationship? y = x + 4

Mathematics
1 answer:
Gekata [30.6K]3 years ago
8 0

Answer:

no it is not a proportional relationship

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La temperatura de un congelador bajó de 3 °C a −9 °C en 3 horas. Si la temperatura del congelador bajó en la misma cantidad de g
kolbaska11 [484]

Usando proporciones, se encuentra que al final de la primera hora, el congelador tenía una temperatura de -1ºC.

  • Este problema se resuelve por proporciones.
  • En 3 horas, la temperatura bajó 12ºC, puesto que 3 - (-9) = 12.

La temperatura del congelador bajó en la <u>misma cantidad de grados cada hora</u>, o sea, en la primera hora, la cantidad que bajo es:

\frac{12}{3} = 4

4ºC bajo a 3ºC es:

3 - 4 = -1

O sea, al final de la primera hora, el congelador tenía una temperatura de -1ºC.

Un problema similar es dado en brainly.com/question/24617308

3 0
3 years ago
Find the area of the rhombus.<br><br> Find the area. The figure is not drawn to scale.
Dmitry_Shevchenko [17]

Answer:

I don't know if this is right but I think it is 32m

7 0
3 years ago
Read 2 more answers
Find the percent change <br> 84 is decreased to 21
Pie

Answer:

so the difference is 84 - 63 = 21.

if we take 84 to be the 100%, what is 21 off of it in percentage?

Step-by-step explanation:

5 0
3 years ago
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Find the distance from the point to the given plane. (−8, 7, 6), x − 2y − 4z = 8
vlabodo [156]
The formula for the distance from a point (x, y, z) to the plane ax +by +cz +d = 0 is this:
.. distance = |ax +by +cz +d|/√(a^2 +b^2 +c^2)

For your point and plane, that is
.. distance = |-8 -2*7 -4*6 -8|/√(1^2 +2^2 +4^2)
.. = 54/√21
.. = (18/7)√21
3 0
4 years ago
How do you find the complex and real roots for x^4-3x^2+2=0
pogonyaev
X^4 - 3x^2 + 2 = 0
(x^2 - 2)(x^2 - 1) = 0

so either x^2 - 2 = 0  or x^2 - 1 = 0

so x^2 = 2 or x^2 = 1

so x = sqrt 2 , - sqrt2, 1 , -1   Answer

all the roots are real
6 0
4 years ago
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