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KiRa [710]
3 years ago
15

Which equation graphs as a parabola? A) y = 4 B) y = 4x C) y = 4x2 D) y = 4x3 + 3

Mathematics
1 answer:
lapo4ka [179]3 years ago
7 0

Answer: c

Step-by-step explanation: Y=4 will result in a straight line across 4 from the y axis. Y=4x is a linear equation for which result in a straight constant like. Y=4x2 represents a parabola equation and will create one. Y=4x3 represents a cubic equation

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What is the solution of log2 (3x-7) =3
Valentin [98]

Answer:

x = 5

Step-by-step explanation:

because the log is base 2 you can remove the log by raing 2 to the power of each side:

2^{log2 (3x-7)} = 2^{3}

the 2 and log2 cancel leaving:

3x-7 = 2^{3}

this means we can now solve through simple algebra:

3x-7 = 8\\3x = 8 + 7\\3x = 15\\3x/3 =15/3\\x = 5

7 0
3 years ago
Read 2 more answers
When a water-cooled nuclear power plant is in operation, oxygen in the water is transmuted to nitrogen-17. After the reactor is
wolverine [178]

Answer:

The differential equation is \frac{dR}{dt} = -kR

Step-by-step explanation:

Differential equation for the rate of change in radiation level:

Radiation level is R.

Rate of change indicates that the radiation level R varies in function of time t, which mathematically means that we have:

\frac{dR}{dt}

After the reactor is shut down, the radiation from the nitrogen-17 decreases in such a way that the rate of change in the radiation level is directly proportional to the radiation level.

Rate of change is k. Decreases means that k is negative. Proportional to the radiation level of R means that -k multiplies R. So the differential equation is:

\frac{dR}{dt} = -kR

7 0
3 years ago
PQ has endpoints P(-3,2) and Q(3,-2). Find the coordinates of the midpoint of PQ
hodyreva [135]

Answer:

(0,0)

Step-by-step explanation:

For this, you need to use the midpoint formula.

(-3) + 3                      2 + (-2)

--------------      ,       ----------------

     2                               2

This leads to:

-3 + 3 = 0 -> 0/2

x = 0

3 + (-3) = 0 -> 0/2

The answer is:

(0, 0)

6 0
1 year ago
Please I really need help with these
MrRissso [65]

Answer:

Idk lol

Step-by-step explanation:

8 0
3 years ago
what is the slope of the line that passes through the point (-1,-10) and (-1,-2). answer needs to be in simplest form
Alina [70]

La formula para sacar la pendiente:

Y2-Y1/X2-X1

Respuesta:

Y2-Y1/X2-X1= -2-(-10)/-1-(-1)

= -2+10/ -1+1= 8

R=8

Espero que te sirva

3 0
3 years ago
Read 2 more answers
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