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jekas [21]
3 years ago
10

I need help on this problem please ?

Mathematics
2 answers:
MrRa [10]3 years ago
7 0
The answer to this answer is B
marishachu [46]3 years ago
4 0
Use L'Hopital's Rule.
Since substituting pi into the equation renders 0/0, we need to take the derivative of both, the numerator and denominator and then using the limits again.

\lim_{x \to \pi} (\frac{-sinx + 2cos(2x)}{2x})
Now, substituting pi into the equation renders \frac{0 + 2}{2\pi}

So, our limit becomes \frac{1}{\pi} (ie B)
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Which sequence of rigid transformations will map the preimage ABC onto image A'B'C' ?
iren2701 [21]

Answer:

The answer is option A, a double reflection

5 0
3 years ago
The diameter of a circle of 255 π is:
melisa1 [442]

Hello from MrBillDoesMath!

Answer:   30


Discussion:

The area of a circle of radius R is given by the formula  

Pi * R^2

We are given that  the area is 225 Pi (Not 255 Pi as stated by the author)

Pi * R^2 = 225 * Pi

Divide both sides by Pi :

R^2 = 225  --->  R = 15

The diameter is twice the radius so the diameter = 30.


Regards, MrB

6 0
2 years ago
Explain how (-2) + 8 is equal to 6
Paul [167]

Step-by-step explanation:

-2+8 is the same as 8-2 which equals 6.

8 0
3 years ago
Need the work for this. 192 is the answer
Art [367]

Replace x with 3:

y = -3 *4^3

y = -3 * 64

y = -192

6 0
3 years ago
Subtract: (b^2 + 9 ab + 5a ) - ( 3b^2 -25ab + 1)
Brrunno [24]

Answer:

- 2b^2 + 34ab + 5a - 1

Step-by-step explanation:

<em>here's</em><em> your</em><em> solution</em>

<em>=</em><em>></em><em> </em><em>(</em><em>b^</em><em>2</em><em> </em><em>+</em><em> </em><em>9</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>5</em><em>a</em><em>)</em><em> </em><em>-</em><em> </em><em>(</em><em>3</em><em>b</em><em>^</em><em>2</em><em> </em><em>-</em><em> </em><em>2</em><em>5</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>1</em><em>)</em>

<em>=</em><em>></em><em> </em><em>b^</em><em>2</em><em> </em><em>+</em><em> </em><em>9</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>5</em><em>a</em><em> </em><em>-</em><em> </em><em>3</em><em>b</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>2</em><em>5</em><em>a</em><em>b</em><em> </em><em>-</em><em> </em><em>1</em>

<em>=</em><em>></em><em> </em><em>-</em><em> </em><em>2</em><em>b</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>3</em><em>4</em><em>a</em><em>b</em><em> </em><em>+</em><em> </em><em>5</em><em>a</em><em> </em><em>-</em><em> </em><em>1</em>

<em> </em><em> </em><em> </em><em> </em>

<em> </em><em> </em><em>hope</em><em> it</em><em> helps</em>

6 0
2 years ago
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