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jeyben [28]
3 years ago
10

1

Mathematics
2 answers:
irakobra [83]3 years ago
8 0
First one is 14
Second one is 45
Third one is 43
Fourth one is 40
Trava [24]3 years ago
6 0
A - 14
B - 45
C - 43
D - 40
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AC has endpoints<br> A(3,7) and C(6,11).<br> Find AB if B is the<br> midpoint of AC.
faltersainse [42]

Answer:

d=2.5

Step-by-step explanation:

first find the coordinate of B(mid point of AC):A(3,7) C(6,11)

d=√(6-3)²+(11-7)²

d=√3²+4²

d=√9+16=√25=5

since B is the mid point : d/2=5/2=2.5

<h2>Another way :</h2>

B(x1+x2/2 , y1+y2/2)   , x1=3 , x2=6, y1=7, y2=11

B(9/2,18/2)

B(9/2,9)

Find AB : the length or distance between 2 points:

d=√(x2-x1)²+(y2-y1)²

d=√(3-9/2)²+(7-9)²

d=√(-3/2)²+(-2)²

d=√1.5²+4

d=√6.25

d=2.5

8 0
3 years ago
2x2 + 4x-1<br> - 6x +3x-9
Lady_Fox [76]

Answer:

2x2 + x - 10

Step-by-step explanation:

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3 years ago
Write one and two fifths as a fraction only
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What type of fraction?

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babunello [35]
That don’t make sense
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What is this just tell me what the L AND W ='s please
andreyandreev [35.5K]
You didn't show us much of the page with the question on it,
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If you're working with things like squares and rectangles, then
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3 years ago
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