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stealth61 [152]
3 years ago
13

The figure below shows a triangle with verticals a and B on a circle and vertex see outside it side AC is tangent to the circle

side BC is assistan The figure below shows a triangle with verticals a and B on a circle and vertex see outside side AC is tangent to the circle side BC is a secant intersecting the circle at point X what is the measure of angle ACB
Mathematics
2 answers:
olchik [2.2K]3 years ago
4 0

Well it's a little late but it's 73. Also, right click the graph on Edg and save as whatever you wanna name it. Then when writing a question add that file you saved!


My name is Ann [436]3 years ago
3 0
Please show the figure.

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F=(2xy +z³)i + x³j + 3xz²k find a scalar potential and work done in moving an object in the field from (1,-2,1) to (3,1,4)​
Alex73 [517]

Step-by-step explanation:

Given:

\textbf{F} = (2xy + z^3)\hat{\textbf{i}} + x^3\hat{\textbf{j}} + 3xz^2\hat{\textbf{k}}

This field will have a scalar potential \varphi if it satisfies the condition \nabla \times \textbf{F}=0. While the first x- and y- components of \nabla \times \textbf{F} are satisfied, the z-component doesn't.

(\nabla \times \textbf{F})_z = \left(\dfrac{\partial F_y}{\partial x} - \dfrac{\partial F_x}{\partial y} \right)

\:\:\:\:\:\:\:\:\: = 3x^2 - 2x \ne 0

Therefore the field is nonconservative so it has no scalar potential. We can still calculate the work done by defining the position vector \vec{\textbf{r}} as

\vec{\textbf{r}} = x \hat{\textbf{i}} + y \hat{\textbf{j}} + z \hat{\textbf{k}}

and its differential is

\textbf{d} \vec{\textbf{r}} = dx \hat{\textbf{i}} + dy \hat{\textbf{j}} + dz \hat{\textbf{k}}

The work done then is given by

\displaystyle \oint_c \vec{\textbf{F}} • \textbf{d} \vec{\textbf{r}} = \int ((2xy + z^3)\hat{\textbf{i}} + x^3\hat{\textbf{j}} + 3xz^2\hat{\textbf{k}}) • (dx \hat{\textbf{i}} + dy \hat{\textbf{j}} + dz \hat{\textbf{k}})

\displaystyle = (x^2y + xz^3) + x^3y + xz^3|_{(1, -2, 1)}^{(3, 1, 4)}

= 422

5 0
3 years ago
corey has 42 feet of fencing around his garden. The garden is rectangular in shape, and its length is equal to twice the width m
Elza [17]
W= width
l= length

2w+2l=42
l=2w-3

w= 8
l= 13
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3 years ago
What is the value of x
Softa [21]

Answer:46

Step-by-step explanation:

180-134

5 0
3 years ago
Read 2 more answers
Tina rolls two fair number cubes numbered from 1 to 6. She first defines the sample space as shown below:
alukav5142 [94]
There are 36 combinations, 5 combinations equal 8


(2,6) (3,5) (4,4) (5,3) (6,2) all equal 8

The chance of rolling 8 is 5/36 (combinations that equal 8/total combinations)
5/36=.13888...
5 0
4 years ago
Helphahahaahahahahahaha
CaHeK987 [17]

Answer:

Whats the funny?

Step by step explanation:

4 0
3 years ago
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