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ad-work [718]
3 years ago
15

Select the correct name for the following line.

Mathematics
2 answers:
nikdorinn [45]3 years ago
8 0

Answer:

C. ^\leftrightarrow_{CD}

Step-by-step explanation:

In the given diagram the line extends infinitely in all directions. This is the definition of a line.

This is written as

^\leftrightarrow_{CD}


The correct answer is C

See diagram in attachment for more.


Pani-rosa [81]3 years ago
4 0
The correct name for the line shown is the answer choice C.

It can be A because the picture is a line not a ray and it cant be B because the picture shown is not a segment

Hope this helps :)
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3 years ago
Five percent of canned goods get bumps or dents in the cans during manufacturing. Let X = the number of cans that are inspected
Ainat [17]

Answer:

0.8574

Step-by-step explanation:

I got it correct1

5 0
3 years ago
a goat tethered to a stake by a rope has grazed the meadow over an area of 12.56msqare around it stretching the rope. i) what is
Nikolay [14]

Answers:

length of rope = 2 meters

perimeter of meadow = 12.56 square meters

=========================================================

Explanation:

Assuming there are no structures (buildings, fences, etc) to get in the way of the goat, this means the goat's area that it can roam is a circle with radius r

The area of the circle is pi*r^2 which is equal to 12.56 square meters

pi*r^2 = 12.56

3.14*r^2 = 12.56

r^2 = 4

r = sqrt(4)

r = 2

The radius of the circle is 2 meters. This is the length of the rope. If the goat goes out as far as it can go, and tries to move left/right, then it will trace out a circle of radius 2. This is assuming the rope is kept fully taut the entire time.

The perimeter of the circle is the same as the circumference

circumference = 2*pi*r

circumference = 2*pi*2

circumference = 4*pi

circumference = 4*3.14

circumference = 12.56

The circumference and area are the same because r^2 = 4 and 2*r = 4 when r = 2. For any other positive r value, the area and circumference will be different values.

So in short, if a friend says that the area of a circle is the same as its perimeter, then you can immediately conclude the radius is 2.

Side note: throughout all of this solution, I used the approximation pi = 3.14 though pi has more decimal digits

7 0
3 years ago
Read 2 more answers
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Lerok [7]
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3 0
3 years ago
A wall is 20 inches thick. 6 inches is​ concrete, 9 inches is​ brick, and 5 inches is limestone. What fraction of the wall is​ c
Citrus2011 [14]

Answer:

30%

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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