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Artyom0805 [142]
3 years ago
10

The midpoint of AB‾AB is M(−4,−3)M(−4,−3). If the coordinates of A are (−1,-2)(−1,−2), what are the coordinates of B?

Mathematics
1 answer:
jonny [76]3 years ago
6 0

Answer:

(-7, -4)

Step-by-step explanation:

The midpoint formula is expressed as;

M (X,Y) = {(x1+x2/2), (y1+y2)/2}

Given that M(-4, -3) and (x1, x2) = (-1, -2)

X = x1+x2/2

-4 = -1+x2/2

-8 = -1 + x2

x2 = -8 + 1

x2 = -7

SImilarly;

Y = y1+y2/2

-3 = -2+y2/2

-3*2 = -2+y2

-6 = -2 + y2

y2 = -6 + 2

y2 = -4

Hence the coordinate of B is (-7, -4)

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Answer:

GK = 9x-5

Step-by-step explanation:

GK = GH +HJ + JK

= (GJ - HJ) + (HJ) + (HK - HJ)

= (4x-3-x) + (x) + (6x-2-x)

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In the xy-plane, the graph of function f(x) has zeros at −5, −2, and 2. Write the polynomial function.
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Answer:

f(x) = x^3 +5x^2-4x-20

Step-by-step explanation:

Given

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Required

The polynomial function

If a function has a, b and c as its zeros, the function is:

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So, we have:

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Open the inner brackets

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Expand the difference of two squares

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Expand

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Answer:

I hope this helps a little bit.

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Suppose you have already been waiting for one hour for a taxi. what is the probability that one arrives within the next 10 minut
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The probability of one arrives within the next 10 minutes when he already been waiting for one jour for a taxi is,

 

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= 0.3679

 

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Show work too please :)
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