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eduard
3 years ago
12

I need help with this problem

Mathematics
1 answer:
Artist 52 [7]3 years ago
6 0

Answer:

2nd answer

Step-by-step explanation:

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What is the answer
Andrej [43]

Answer:

  • V = IR
  • 12 volts

Step-by-step explanation:

Starting with ...

  I = V/R

Multiply by R to find V:

  IR = V

The equation is ...

  V = I·R

__

Using the given values for I and R, we have ...

  V = (2)(6)

  V = 12 . . . required voltage (volts)

7 0
3 years ago
What is the solution to the function f(x)=x^2(x-2)^2 when x=2
Alecsey [184]

Answer:

when x=2 then the answer is given by the function

f(x)=2^2(2-2)^2=4

3 0
2 years ago
Just part c please thanks
Dovator [93]
Unfortunately the portion of the graph shown does not show the locations of points A and B, nor does it show sufficient parts of the curve.

Fortunately, to do part C, it is not necessary to use the graph of the function, nor the locations of points A & B, since we know that t=-1 at A.

The solution is as follows:
We know that the tangent line has the equation
l : 2x -5y -9 = 0 ...................(1)
and that the parametric equation is
x = t^3 -8t;  y = t^2 ..............(2)

We can obtain the intersections of the tangent line (1) with the original curve (2) by substituting (2) in (1), giving
f(t) = 2*(t^3-8*t) -5*(t^2)-9 = 0
or on simplification,
f(t) = 2t^3 -5t^2 -16t -9 = 0 ....................(3) parametric equation of intersection points
Solution of which gives t=9/2 or t=-1.

Since t=-1 is the given tangent point, we conclude that t=9/2 is point B.

Translating into rectangular coordinates for t=9/2, we get
x=t^3-8t=(9/2)^3-8(9/2)= 441/8 = 55.125
y=t^2=(9/2)^2= 81/4 = 20.25

Therefore the coordinates of B:
t=9/2, or (55.125, 20.25)

Attached is the graphics of f(t), showing that t=-1 is a tangent line, and that the solutions are t=-1, or t=9/2.

8 0
3 years ago
Reduce to simplest form.
Shkiper50 [21]

Answer:

  11/6

Step-by-step explanation:

  \dfrac{6}{3}+\left(-\dfrac{1}{6}\right)=\dfrac{12}{6}-\dfrac{1}{6}=\dfrac{12-1}{6}\\\\=\boxed{\dfrac{11}{6}}

As a mixed number, this is 1 5/6.

3 0
3 years ago
Please Help Need this ASAP!!! The First and correct answer will be marked Brainlest!! Solve all 3 problems!!!!
Vanyuwa [196]

Answer:

4: y = 0.75x + 3.75

5: y = 0.75x + 23.25

6: y = 0.75x + 11

7 0
3 years ago
Read 2 more answers
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