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DENIUS [597]
2 years ago
6

How do you perform constructions related to circles? What theorems and explanations can be used to justify these constructions?

How do you perform constructions related to circles? What theorems and explanations can be used to justify these constructions?
Mathematics
1 answer:
Aleks [24]2 years ago
5 0

Answer and explanation:

To construct a circle, draw a line that represents the diameter of the circle. Bisect the line so that it is a perpendicular bisector of the diameter of the circle. Place your compass at the bisection point/midpoint and draw an arc or better still the whole circle.

Theorem: the perpendicular bisector of a chord passes through the center of a circle.

Note: a diameter of a circle is a chord that passes through the center of a circle.

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7 3/9 - 2 4/9 =<br>11 3/4 - 5 1/4 =​
jeka57 [31]

1.)

7 \frac{3}{9}  - 2 \frac{4}{9}  \\  =  \frac{66}{9}  -  \frac{22}{9}  \\  =  \frac{44}{9}  \\  = 4 \frac{8}{9}

2.)

11 \frac{3}{4}  - 5 \frac{1}{4}  \\  =  \frac{47}{4}  -  \frac{21}{4}  \\  =  \frac{26}{4}  \\  =  \frac{13}{2}  \\  = 6 \frac{1}{2}

<em>Hope it helps and is useful :)</em>

6 0
3 years ago
U
katen-ka-za [31]

Answer:

x = 4/7

y = 60/7

Step-by-step explanation:

3x + 4y = 36

y = x + 8

Substitute the second equation into the first since it already has the y isolated for you:

3x + 4(x + 8) = 36

3x + 4x + 32 = 36

7x = 4

x = 4/7

Take the answer you got from the equation above and plug that into the second equation:

y = 4/7 + 8

y = 60/7

To check just LS/RS both equations:

3(4/7) + 4(60/7) = 36

12/7 = 240/7 = 36

252/7 = 36

36 = 36

LS = RS

60/7 = 4/7 + 8

60/7 = 60/7

LS = RS

8 0
2 years ago
Miguel and his brother Ario are both standing 3 meters from one side of a 25 meter pool when they decide to race. Miguel offers
nalin [4]
Since both of them are 3 meters from one side of the 25 meter pool, the distance that they have to cover is actually only 22 meters only. To answer this item, we let x be the distance covered by Ario and 22-x be his remaining distance. Such that,
                                 x/(22-x) = 1/4
The value of x from the equation is 4.4. 

Therefore, the distance that Ario had covered is 4.4 m. 
3 0
3 years ago
Read 2 more answers
I’LL MARK AS BRAINLIEST!!! Plz no links
Rufina [12.5K]

Answer:

6 people

Step-by-step explanation:

75% of 8 is 6

multiply 8 by the decimal .75

4 0
3 years ago
Sorting an excel table
Lana71 [14]

Sort data in a table

Select a cell within the data.

Select Home > Sort & Filter. Or, select Data > Sort.

Select an option: Sort A to Z - sorts the selected column in an ascending order. Sort Z to A - sorts the selected column in a descending order. Custom Sort - sorts data in multiple columns by applying different sort criteria.

6 0
3 years ago
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