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Tamiku [17]
2 years ago
13

Determine the equation of a circle having a diameter with endpoints at (12,-14) and(2,4)

Mathematics
1 answer:
snow_lady [41]2 years ago
3 0
Center of a circle is a midpoint of line connecting two endpoints so center is:
(12,-14) (2,4) we divide those two points by two 
C(a,b)- center
C(a,b)=((12+2)/2),(-14+4)/2)=(7,-5)
Radius is the distance from the center to any point on the circle:
we take point (2,4)
r=\sqrt{ (7-2)^{2} + (-5-4)^{2} } = \sqrt{25+81} = \sqrt{106}

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A- 15 √11<br> B- 30 √22<br> C- 30 √11<br> D- 15 √22
ANTONII [103]

Answer:

C

Step-by-step explanation:

3\sqrt{50} * \sqrt{22} \\3 \sqrt{50 * 22} \\3\sqrt{1100} \\3\sqrt{11 * 10 * 10}\\3*10\sqrt{11}\\30\sqrt{11}

8 0
3 years ago
Read 2 more answers
Matilda always eats at least one of the following for breakfast: cereal, bread, or yogurt. On Monday, she is especially picky. I
Annette [7]

Answer:

Matilda eats Cereal on Monday.

Step-by-step explanation:

Breakfast options for Matilda are: Cereal (C), Bread (B) or Yogurt (Y).

<u>Condition 1:</u> If she eats cereal and bread she also eats yogurt.

                     Then Matilda's breakfast combination is: C + B + Y.

<u>Condition 2:</u> If she eats bread or yogurt, she also eats cereal.

                     Then Matilda's breakfast combination is: C + B or C + Y.

<u>Condition 3:</u> She never eats both cereal and yogurt.

                   Then Matilda's breakfast combination does not include is: C + Y.

<u>Condition 4:</u> She always eats bread or cereal.

                  Then Matilda's breakfast combination always includes is: C or B.

If Matilda eats bread (B) then according to Condition 2 she eats cereal (C) also. And since she eats both C and B she eats yogurt (Y) also.

But according to Condition 3 Matilda never eats both cereal and yogurt.

Hence she can never have all three for breakfast.

She cannot eat bread (B) alone [according to Condition 2], Matilda is left with only one option, i.e. Cereal (C).

Thus, Matilda eats Cereal for breakfast on Monday.

5 0
3 years ago
A delivery truck is stocked with boxes of leather footballs. The graph shows the relationship between the number of footballs an
pashok25 [27]

Answer:

21

Step-by-step explanation:

To find the answer, you'd have to continue tracing the diagonal line until it intersects with the vertical line that corresponds to the number 3.

If you do that, you'll see that in3 boxes, there are 21 footbals.


You can also calculate it mathematically:

If you have 7 balls per box as shown in the graph, you just have to multiply 7 by 3 to know how many balls you'll find in 3 boxes. 7 * 3 = 21.



Hope it helped,



BioTeacher101

6 0
3 years ago
Read 2 more answers
If you roll a 6-sided die what is the probability of rolling a one?
Ainat [17]

Answer:

the probablity of rolling a one is 1/6

Step-by-step explanation:

4 0
2 years ago
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Yeah, im clueless please help;-;
svetlana [45]

Answer:

Starting from the left,  top to bottom. first answer is 8, second is 21.3, third is 64, 204.8. Right side is essentially y=x to a power, the answers are from top to bottom, 8,27,64,125

Step-by-step explanation:

Essentially, its just asking you to divide the given y values by the x values.

7 0
3 years ago
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