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Vinvika [58]
3 years ago
10

Which of the following are one-dimensional and have infinite length?

Mathematics
2 answers:
Alona [7]3 years ago
4 0
Out of the choices, the entities with only one dimension and have infinite length are the line and ray. The line extends to both sides while the ray is restricted by an endpoint on one side but can extend infinitely to the other side. The answers are therefore letter D and F. 
deff fn [24]3 years ago
3 0

Answer:

The correct answers are : D. Ray and F. Line

Step-by-step explanation:

First we check the definition of all the given terms :

Angle : An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint called vertex of the angle. The maximum value of an angle formed at any point can be 360°. So, cannot be infinite.

Segment : It is part of a line whose starting and end points are fixed and cannot be further extended. So, a line segment cannot be infinite.

Plane : A plane is a two-dimensional surface that can be extended as much as infinity. So, length of plane is infinite but it is not one-dimensional.

Ray : It is part of a line whose only one point is fixed and can be extended from the other point to an infinite length. Hence, Ray has infinite length.

Point : It can be defined as a location which does not has length, width and height. So. a point cannot have an infinite length.

Line : A line is a simply a one-dimensional figure that has no bends and can be extended inn both the directions up to infinity.Hence, the line ha s an infinite length.

Therefore, the correct answers are : D. Ray and F. Line

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What's the area of the triangle with 9mm 76mm 100mm
svlad2 [7]

9514 1404 393

Answer:

  342 mm²

Step-by-step explanation:

The triangle shown has a base of 9 mm and a height of 76 mm. Its area is ...

  A = 1/2bh

  A = (1/2)(9 mm)(76 mm) = 342 mm²

The triangle shown has an area of 342 mm².

_____

<em>Additional comment</em>

The other leg of the right triangle with one leg 76 mm and hypotenuse 100 mm will be about 65 mm. The base shown is 9 mm, so any triangle with the dimensions shown will be a fairly skinny obtuse triangle, not the acute triangle in the picture. (This makes us suspect an error: the 9 mm dimension maybe should be 90 mm.)

3 0
3 years ago
Find the value of x in the given<br> right triangle.<br> 10<br> х
ki77a [65]

Answer:

44.4

Step-by-step explanation:

Since we have a right triangle, we can use trig functions

sin theta = opp / hyp

sin x = 7/10

Taking the inverse sin of each side

sin^-1 (sin x) = sin^-1(7/10)

x = 44.427

Rounding to the nearest tenth

x = 44.4

4 0
3 years ago
For what value of x must ABCD be a parallelogram ?
Pavlova-9 [17]

Answer:

x = 4

Step-by-step explanation:

as it is parallelogram opposite sides are equal

so14x -7= 10x-9

14x-7+9=10x

14x -16 = 10x

14x -10x = 16

4x =16

x = 16/4

x = 4

also u can put x = 4 in both expressions and u will get answer of both 49

7 0
3 years ago
20 is what percent of 160
stira [4]
In this problem WP means what percent

20 = WP  X 160

solve for WP, by dividing both sides by 160

and you get:

0.125 = WP

Change your decimal into a percent by multiplying by 100%

12.5% is your result.
7 0
3 years ago
A bag contains three marbles, eight blue marbles and nine red marbles. If the marbles are picked at random, what is the probabil
Phoenix [80]

The probability of obtaining two blue marbles without replacement is equal to 0.15.

We are given that:

The number of yellow marbles = 3

Number of red marbles = 9

Number of Blue marbles = 8

Total marbles = 3 + 9 + 8

Total marbles = 20

Now, we have to calculate the probability of obtaining two blue marbles without replacement.

The probability will be:

P( obtaining two blue marbles without replacement )  = 8 / 20 × 7 / 19

P( obtaining two blue marbles without replacement )  = 56 / 380

P( obtaining two blue marbles without replacement )  = 0.15

Therefore, the probability of obtaining two blue marbles without replacement is equal to 0.15.

Learn more about probability here:

brainly.com/question/24756209

#SPJ9

5 0
2 years ago
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