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3 years ago

Segment JK represents what part of a circle?

Mathematics

2 answers:

aleksklad [387]3 years ago

7 0

Answer:

Radius

Step-by-step explanation:

Radius is the length from the mid point of a circle to the edge of the circle. You can see that segment JK goes from the middle of the circle to the edge

Quick edit: I see another answer that says secant, here’s a picture showing a few of the different lines in circles or whatever they’re called

kap26 [50]3 years ago

7 0

Answer: A

Step-by-step explanation: n geometry, a secant of a curve is a line that intersects the curve at a minimum of two distinct points. The word secant comes from the Latin word secare, meaning to cut. In the case of a circle, a secant will intersect the circle at exactly two points.

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If a =5, 0, −1,find a vector b such that compab = 2.b = _______.

Arturiano [62]

Answer:

$b = (q,r , 5q-2\sqrt{26} )$

Step-by-step explanation:

From the question we are told that

The vector given is

$a = (5,0,-1)$

Also $comp_a b = 2$

Generally

$comp_a b = \frac{a \cdot b}{|a|}$

Here $|a|$ is the magnitude of a which is mathematically represented as

$|a| = \sqrt{5^2 + 0^2 +(-1)^2 }$

=> $|a| = \sqrt{26}$

b is vector which we will assume to have the following parameters

$b = (q , r , x)$

$comp_a b = \frac{(5,0,-1) \cdot (q,r,x)}{\sqrt{26} } = 2$

=> $\frac{5q + 0 -x}{\sqrt{26} } = 2$

=> $x = 5q-2\sqrt{26}$

Hence the vector be can be mathematically represented as

$b = (q,r , 5q-2\sqrt{26} )$

This means that the vector b is more than one value since it is made up of variable

This means that if

$q = 1\\r=1\\x =1$

Then

$b = (1,1,5-2\sqrt{26} )$

7 0

3 years ago

2. Given a directed line segment with endpoints A(3, 2) and B(6, 11), what is the point that

KATRIN_1 [288]

Answer:

The point of division is (5 , 8)

Step-by-step explanation:

* Lets explain how to solve the problem

- If point (x , y) divides the line whose endpoints are $(x_{1},y_{1})$

and $(x_{2},y_{2})$ at ratio $m_{1}:m_{2}$ , then

$x=\frac{x_{1}m_{2}+x_{2}m_{1}}{m_{1}+m_{2}}$ and

$y=\frac{y_{1}m_{2}+y_{2}m_{1}}{m_{1}+m_{2}}$

* Lets solve the problem

- The directed line segment with endpoints A (3 , 2) and B (6 , 11)

- There is a point divides AB two-thirds from A to B

∵ The coordinates of the endpoints of the directed line segments

are A = (3 , 2) and B = (6 , 11)

∴ $(x_{1},y_{1})$ is (3 , 2)

∴ $(x_{2},y_{2})$ is (6 , 11)

∵ Point (x , y) divides AB two-thirds from A to B

- That means the distance from A to the point (x , y) is 2/3 from

the distance of the line AB, and the distance from the point (x , y)

to point B is 1/3 from the distance of the line AB

∴ $m_{1}:m_{2}$ = 2 : 1

∵ $x=\frac{(3)(1)+(6)(2)}{2+1}=\frac{3+12}{3}=\frac{15}{3}=5$

∴ The x-coordinate of the point of division is 5

∵ $y=\frac{(2)(1)+(11)(2)}{2+1}=\frac{2+22}{3}=\frac{24}{3}=8$

∴ The y-coordinate of the point of division is 8

∴ The point of division is (5 , 8)

6 0

3 years ago

What equation is equivalent to 7-2x=5

noname [10]

Answer:

x = 1
New equation: 7 - 2 = 5

Step-by-step explanation:

7 - 2x = 5
=> 7 - 5 = 2x
=> 2 = 2x
=> x = 1

Conclusion:

Since:

x = 1

Our new equation will be 7 - 2 = 5

Hoped this helped.

5 0

3 years ago

Read 2 more answers

5 ϵ {2, 4, 6, 8, 10}? Question 1 options: True False

zavuch27 [327]

Answer:

. . . False

Step-by-step explanation:

5 is not among the elements of the given set.

The symbol ∈ means "is an element of ...".

8 0

3 years ago

How to prove the isosceles triangle

expeople1 [14]

Answer:

2 angles have the same °

2 sides are the same length

6 0

3 years ago