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horrorfan [7]
3 years ago
10

A, B and C are corners of a parallelogram

Mathematics
1 answer:
slamgirl [31]3 years ago
5 0

Answer:

Step-by-step explanation:

in a parallelogram diagonals bisect each other.

so mid points are same.

Let coordinates of D be (x,y)

mid point of AC=midpoint Of BD

(-2+5)/2=(x+3)/2

x+3=-3

x=-3-3=-6

x=-6

(3-3)/2=(2+y)/2

y+2=0

y=-2

so D is (-6,-2)

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3. Consider the sequence,-8, -5, -2, 1, ...
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Answer:

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Step-by-step explanation:

a)

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Notice that when you add 3 units to the first term (-80, you get :

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That in our case would give:

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b)

Therefore, the term number 20 can be calculated from it:

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c) in order to find which term renders 20, we use the general form we found in step a):

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3 years ago
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Answer:

BCD = 60

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Step-by-step explanation:

BCD)

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ABD)

All angles together are 180

You know 2 Angles, A at 30 and D at 60

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