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Tatiana [17]
3 years ago
8

PLEASE HELP !!!!!!!! prove that segment DE is parallel to segment AB.

Mathematics
2 answers:
RideAnS [48]3 years ago
3 0
Angle A is equal to Angle D because they are opposite interior angles I believe. Same thing goes for angles B and E.
GaryK [48]3 years ago
3 0

Slope of AB = (0 - 0)/(x2 - 0) = 0

Slope of DE = (y1/2 - y1/2) / ((x1 + x2)/2 - (x1/2)) = 0

Both lines has same slopes and equal zero.

Two lines are parallel if their slopes are equal. So AB ║ DE

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Answer: The equation of the sphere is:

(x-2)^2 + (y-2)^2 + (z-5/2)^2 = sqrt(245)/2

Step-by-step explanation:

The centre of the sphere is the midpoint of the diameter, which is

1/2

[(-4,7,6) + (8,-3,5)] =(2,2,5/2)

The length of the diameter is

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=sqrt (12^2 + (-10)^2 + (-1)^2)

=sqrt (144+100+1)

=sqrt(245)

so the radius of

the sphere is:

1/2(sqrt(245)) = sqrt(245)/2.

The equation of the sphere is:

(x-2)^2 + (y-2)^2 + (z-5/2)^2 = sqrt(245)/2

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3 years ago
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drek231 [11]

The answer to your question is,

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3 years ago
Samantha has some dimes and quarters. She has 7 more dimes than quarters and the collection of coins is worth $10.15. How many d
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Isabella's teacher said she must read more than 70 pages of her book by the end of the week. Isabella is able to read 12 pages o
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Step-by-step explanation:

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if the current batch of pills is the first of the day and your goal is to produce a total of 600 what percentage of your goal wi
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Answer:

<u>12.5% ≈ 13%</u>

Step-by-step explanation:

The rest of the question is: There are 75 pills in the batch.

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7 0
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