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4 years ago

10

. Identify the middle line for the function f (t)= 1/2 sec(t+2) -3.14

1 answer:

Ronch [10]4 years ago

8 0

C=<span><span><span><span>2s</span>t</span>+<span>6.28s</span></span><span><span>2.718282t</span>+<span>5.436564</span></span></span>

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Simplify the following expresion by combining like terms 6y-23-y+72

Maurinko [17]

Simplest form would be, 5y-23+72 then it would be 5y+49

7 0

3 years ago

John was visiting four cities that form a rectangle on a coordinate grid at A(0, 4), B(4, 2), C(1, -4) and D(-3, -2). What is th

allsm [11]

Answer:

$Area = 30$

Step-by-step explanation:

Given

Rectangle coordinates

$A = (0,4)$

$B = (4,2)$

$C = (1,-4)$

$D =(-3,-2)$

Required

The area of the rectangle

The area is calculated as:

$Area = Length* Width$

The length of the rectangle will be represented as:

$Length = AB = CD$

And the width is:

$Width = BC = AD$

Calculate distance AB using:

$AB = \sqrt{(x_1 - x_2)^2 +(y_1 - y_2)^2 }$

Where:

$A = (0,4)$ --- $(x_1,y_1)$

$B = (4,2)$ $--- (x_2,y_2)$

$AB = \sqrt{(0 - 4)^2 +(4 - 2)^2 }$

$AB = \sqrt{(- 4)^2 +(2)^2 }$

$AB = \sqrt{16 +4 }$

$AB = \sqrt{20}$

Calculate distance BC using:

$BC = \sqrt{(x_1 - x_2)^2 +(y_1 - y_2)^2 }$

$C = (1,-4)$ $---(x_1,y_1)$

$B = (4,2)$ $--- (x_2,y_2)$

$BC = \sqrt{(1 - 4)^2 +(-4 - 2)^2 }$

$BC = \sqrt{(- 3)^2 +(-6)^2 }$

$BC = \sqrt{9 +36}$

$BC = \sqrt{45}$

So, the area is:

$Area = Length * Width$

$Area = AB * BC$

$Area = \sqrt{20} * \sqrt{45}$

$Area = \sqrt{20 * 45}$

$Area = \sqrt{900$

$Area = 30$

4 0

3 years ago

Simplify.<br><br> |–4.1| = <br><br> Thanks!

Alisiya [41]

|-4.1|

= 4.1

I hope that's help !

5 0

3 years ago

how many squares are there on a standard checkerboard? By looking for a pattern how you figure it out?

mariarad [96]

People say that there are only 64 on the checkboard
<span>1, 8x8 square4,
7x7 squares9,
6x6 squares16,
5x5 squares25,
4x4 squares36,
3x3 squares49,
2x2 squares<span>64,
1x1 squares
You will come out with = 204. That is how many squares are on the board. </span></span>

3 0

4 years ago

move polygon ABCD to a location of your choice on the coordinate plane and change the orientation of EF. be sure that the preima

Kipish [7]

Answer:

Step-by-step explanation:

3 0

4 years ago